| NCHRP Synthesis 20-05/Topic 03-03 | Telecommunications Systems for Highway Administration and Operations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 03-03 | Radio Spectrum Frequency Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 03-05 | Pavement Traffic Marking: Materials and Application Affecting Serviceability | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 04-04 | Rest Areas | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 04-06 | Highway Location Reference Methods | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 04-09 | Treatment of Soft Foundations for Highway Embankments | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 05-01 | Reconditioning High-Volume Freeways in Urban Areas | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 05-02 | Design and Control of Freeway Off-Ramp Terminals | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 05-03 | Acquisition and Use of Geotechnical Information | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 05-04 | Design of Pile Foundations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 05-05 | Partial-Lane Pavement Widening | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 05-07 | Effect of Weather on Highway Construction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 05-08 | Highway Tunnel Operations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 05-13 | Effects of Studded Tires | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 06-01 | Instrumentation and Equipment for Testing Highway Materials, Products, and Performance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 06-02 | Statistically Oriented End-Result Specifications | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 06-05 | Rapid-Setting Materials for Patching Concrete | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 07-01 | Consolidation of Concrete for Pavements, Bridge Decks, and Overlays | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 07-02 | Staffing and Management for Social, Economic, and Environmental Impact Assessments | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 07-04 | Recording and Reporting Methods for Highway Maintenance Expenditures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 07-05 | Energy Effects, Efficiencies, and Prospects for Various Modes of Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 07-06 | Joint-Related Distress in PCC Pavement: Cause, Prevention, and Rehabilitation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 07-07 | Priority Programming and Project Selection | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 08-01 | Recycling Materials for Highways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 08-02 | Construction Contract Staffing | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 08-03 | Design and Use of Highway Shoulders | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 08-05 | Precast Concrete Elements for Transportation Facilities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 08-06 | Storage and Retrieval Systems for Highway and Transportation Data | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 08-08 | Management and Selection Systems for Highway Maintenance Equipment | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 08-09 | Open-Graded Friction Courses for Highways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 08-10 | Photologging | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 08-11 | Relationship of Asphalt Cement Properties to Pavement Durability | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 08-12 | Bituminous Patching Mixtures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 09 | Construction of Embankments | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 09-03 | Changeable Message Signs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 09-05 | Quality Assurance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 09-06 | Alternative Work Schedules: Impacts on Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 09-07 | Direction Finding from Arterials to Destinations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 09-08 | Failure and Repair of Continuously Reinforced Concrete Pavement | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 09-09 | State Resources for Financing Transportation Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 09-10 | Design of Sedimentation Basins | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 09-11 | Glare Screen Guidelines | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 10-01 | Consequences of Deferred Maintenance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 10-03 | Formulating and Justifying Highway Maintenance Budgets | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 10-04 | Motor Vehicle Size and Weight Regulations, Enforcement, and Permit Operations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 10-05 | Collection and Use of Pavement Condition Data | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 10-06 | Bridge Drainage Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 10-08 | Underwater Inspection and Repair of Bridge Substructures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 10-11 | State Transit-Management Assistance to Local Communities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 10-21 | Effects of Traffic-Induced Vibrations on Bridge Deck Repairs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11 | Getting Research Findings into Practice | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-01 | Transportation Needs Study and Financial Constraints | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-02 | Value Engineering in Preconstruction and Construction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-03 | Value Engineering in Preconstruction and Construction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-04 | Minimizing Reflection Cracking of Pavement Overlays | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-06 | Geotechnical Instrumentation for Monitoring Field Performance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-07 | Pavement Subsurface Drainage Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-08 | Evaluation of Pavement Maintenance Strategies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-09 | Transit Boards-Composition, Roles, and Procedures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-10 | Contract Time Determination | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-13 | Bus Transit Accessibility for the Handicapped in Urban Areas | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 11-14 | Experiences in Transportation System Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 12-01 | Evaluation Criteria and Priority Setting for State Highway Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 12-02 | Criteria for Evaluation of Truck Weight Enforcement Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 12-03 | Highway Accident Analysis Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 12-04 | Resealing Joints and Cracks in Rigid and Flexible Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 12-06 | Shallow Foundations for Highway Structures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 12-07 | Highway Noise Barriers | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 12-08 | Coordination of Transportation System Management and Land Use Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 12-09 | Energy Involved in Construction Materials and Procedures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 12-11 | Bridge Designs to Reduce and Facilitate Maintenance and Repair | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 12-12 | New-Product Evaluation Procedures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 13-01 | Construction Contract Claims: Causes and Methods of Settlement | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 13-02 | Methods of Cost-Effectiveness Analysis for Highway Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 13-03 | Managing State Highway Finance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 13-04 | Resurfacing with Portland Cement Concrete | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 13-05 | Statewide Transportation Planning | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 13-06 | Transit Ownership/Operation Options for Small Urban and Rural Areas | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 13-07 | Storm Water Management for Transportation Facilities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 13-08 | Bridge Weight-Limit Posting Practice | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 13-10 | Risk Assessment Processes for Hazardous Materials Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 13-11 | Historic Bridges-Criteria for Decision Making | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-01 | Practical Guidelines for Minimizing Tort Liability | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-02 | Management of Traffic Signal Maintenance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-03 | Reducing Construction Conflicts Between Highway and Utilities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-04 | Asphalt Overlay Design Procedures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-05 | Material Certification and Material-Certification Effectiveness | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-06 | Maintenance Management Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-07 | Maintenance Activities Accomplished by Contract | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-08 | Criteria for Use of Asphalt Friction Surfaces | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-09 | Energy Conservation in Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-11 | Administration of Research, Development, and Implementation Activities in Highway Agencies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-12 | Highway Uses of Epoxy with Concrete | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 14-22 | Distribution of Wheel Loads on Highway Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-01 | Toll Highway Financing | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-02 | Durability of Prestressed Concrete Highway Structures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-03 | Detecting Defects and Deterioration in Highway Structures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-04 | Equipment for Obtaining Pavement Condition and Traffic Loading Data | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-05 | Effects of Illegal Permit and Illegal Overloads on Pavement | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-06 | Methods for Identifying Hazardous Highway Elements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-07 | Life-Cycle Cost Analysis of Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-08 | Professional Resource Management and Forecasting | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-09 | Protective Coatings for Bridge Steel | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-10 | Prefabricated Bridge Elements and Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-11 | Traffic Data Collection and Analysis: Methods and Procedures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 15-19 | Cost-Effectiveness of Hot-Dip Galvanizing for Exposed Steel | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 16-02 | Use of Weigh-in-Motion Systems for Data Collection and Enforcement | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 16-03 | Maintenance Management of Street and Highway Signs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 16-05 | Freezing and Thawing Resistance of High-Strength Concrete | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 16-06 | Wet-Pavement Safety Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 16-07 | Use of Fly Ash in Concrete | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 16-09 | Managing Urban Freeway Maintenance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 16-10 | Bridge Deck Joints | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 17-01 | System-Wide Safety Improvements: An Approach To Safety Consistency | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 17-02 | Integrated Highway Information Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 17-05 | Design, Construction, and Maintenance of PCC Pavement Joints | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 17-06 | Recycling Portland Cement Concrete Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 17-08 | D-Cracking Of Concrete Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 17-09 | Breaking/Cracking and Seating Concrete Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 17-10 | Pavement Management Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 17-11 | Pedestrians and Traffic Control Measures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 17-13 | Staffing Considerations in Construction Engineering Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-01 | Use of Consultants for Construction Engineering Inspection | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-02 | Innovative Strategies for Upgrading of Personnel by State Transportation Departments | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-03 | Design and Construction of Bridge Approaches | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-04 | Treatment of Problem Foundations for Highway Embankments | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-05 | Negotiating And Contracting For Professional Engineering Services | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-06 | Pavement Markings: Materials and Application for Extended Service Life | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-07 | Freeway Corridor Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-08 | Freeway Incident Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-09 | Cold-Recycled Bituminous Concrete Using Bituminous Materials | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-10 | Contract Management Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-11 | Evolution and Benefits of Preventive Maintenance Strategies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 18-12 | Indicators of Quality in Maintenance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-01 | Computer-Aided Design and Drafting Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-02 | Uniformity Efforts in Oversize/Overweight Permits | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-03 | Signal Timing Improvement Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-04 | Compaction of Asphalt Pavement | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-06 | Process for Recapitalizing Highway Transportation Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-07 | Freeway Guide Sign Replacement: Policies and Criteria | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-08 | Technology Transfer in Selected Highway Agencies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-09 | Moisture Damage in Asphalt Concrete | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-10 | Transportation Telecommunications | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-12 | Measurements, Specifications, and Achievement of Smoothness for Pavement Construction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 19-23 | Partnerships for Innovation: Private-Sector Contributions to Innovation in the Highway Industry | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 20-01 | Fabrics in Asphalt Overlays and Pavement Maintenance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 20-02 | Measures to Curtail State Fuel Tax Evasion | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 20-03 | Signing Policies, Procedures, Practices, and Fees for Logo and Tourist-Oriented Directional Signing | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 20-05 | Short-Term Responsive Maintenance Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 20-07 | Removing Concrete from Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 20-08 | Traffic Signal Control Equipment: State of the Art | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 20-09 | Bridge Paint: Removal, Containment, and Disposal | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 20-11 | In-Service Experience with Traffic Noise Barriers | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 20-12 | Latex-Modified Concretes and Mortars | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 20-22 | Managing Highway Tort Liability | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 21-01 | Performance Characteristics of Open-Graded Friction Courses | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 21-02 | Preferential Lane Treatments for High-Occupancy Vehicles | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 21-03 | Management Training and Development Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 21-08 | Development and Implementation of Traffic Control Plans for Highway Work Zones | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 21-09 | Supplemental Advance Warning Devices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 21-10 | Hot In-Place Recycling of Asphalt Concrete | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 21-11 | Highway Maintenance Procedures Dealing with Hazardous Material Incidents | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 21-12 | Truck Escape Ramps | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 21-13 | Pavement Structural Design Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 21-14 | Criteria for Qualifying Contractors for Bidding Purposes | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 22-01 | Performance and Operational Experience of Truck-Mounted Attenuators | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 22-02 | Uses of Recycled Rubber Tires in Highways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 22-04 | Underwater Bridge Maintenance and Repair | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 22-07 | Current Practices in Determining Pavement Condition | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 22-08 | Disposal of Roadside Litter Mixtures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 22-09 | Knowledge-Based Expert Systems in Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 22-10 | Recycling and Use of Waste Materials and By-Products in Highway Construction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 22-11 | Photographic Enforcement of Traffic Laws | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 22-12 | Truck Operating Characteristics | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 22-13 | Use of Rumble Strips to Enhance Safety | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-01 | Accident Data Quality | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-02 | Rapid Test Methods for Asphalt Concrete and Portland Cement Concrete | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-03 | Managing Roadway Snow and Ice Control Operations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-04 | Multimodal Evaluation in Passenger Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-05 | Performance-Related Specifications for Highway Construction and Rehabilitation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-06 | Corridor Preservation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-07 | Use of Warranties in Road Construction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-09 | Severity Indices of Roadside Features | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-10 | Portland Cement Concrete Resurfacing | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-11 | Changeable Message Signs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-12 | Reduced Visibility Due to Fog on the Highway | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 23-13 | Effective Use of Park-and-Ride Facilities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 24-01 | Resolution of Disputes to Avoid Construction Claims | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 24-02 | Road Pricing for Congestion Management: A Survey of International Practice | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 24-03 | Performance and Operational Experience of Crash Cushions | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 24-04 | Determination of Contract Time for Highway Construction Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 24-05 | Pavement Management Methodologies to Select Projects and Recommend Preservation Treatments | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 24-06 | Electronic Toll and Traffic Management (ETTM) Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 24-08 | Longitudinal Occupancy of Controlled Access Right-of-Way by Utilities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 24-11 | Implementation of Technology From Abroad | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 24-12 | Sealers for Portland Cement Concrete Highway Facilities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 24-13 | Assessing the Effects of Highway-Widening Improvements on Urban and Suburban Areas | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-01 | Applications of 3-D and 4-D Visualization Technology in Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-02 | Freight Transportation Planning Practices in the Public Sector | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-03 | Left-Turn Treatments at Intersections | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-04 | Guardrail and Median Barrier Crashworthiness | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-06 | Collecting and Managing Cost Data for Bridge Management Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-07 | Pavement Subsurface Drainage Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-09 | Waterproofing Membranes for Concrete Bridge Decks | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-10 | Cost-Effective Preventive Pavement Maintenance (Photocopy Edition) | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-11 | Toll Plaza Design | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-12 | Management of Surface Transportation Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-13 | Consideration of the 15 Factors in the Metropolitan Planning Process | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-14 | Managing Contract Research Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-15 | Performance Measurement in State Departments of Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-16 | Dynamic Effects of Pile Installations on Adjacent Structures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 25-21 | Service Life of Drainage Pipe | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-01 | Remediation of Petroleum-Contaminated Soils | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-02 | Variability in Highway Pavement Construction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-03 | Methods for Household Travel Surveys | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-04 | Highway-Rail Grade Crossing Surfaces | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-05 | Relationship Between Pavement Surface Texture and Highway Traffic Noise | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-06 | Land Development Regulations that Promote Access Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-07 | Application of Full-Scale Accelerated Pavement Testing | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-08 | Ground Penetrating Radar for Evaluating Subsurface Conditions for Transportation Facilities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-09 | Evaluating and Measuring the Effectiveness of Training | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-10 | Settlement of Bridge Approaches (The Bump at the End of the Bridge) | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-11 | Transportation Development Process | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 26-12 | Maintenance Issues and Alternate Corrosion Protection Methods for Exposed Bridge Steel | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-01 | Trenchless Installation of Conduits Beneath Roadways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-02 | Criteria for Highway Routing of Hazardous Materials | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-03 | Stabilization of Existing Subgrades to Improve Constructibility During Interstate Pavement Reconstruction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-04 | Methods for Increasing Live Load Capacity of Existing Highway Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-05 | State DOT Management Techniques for Materials and Construction Acceptance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-06 | Outsourcing of State Highway Facilities and Services | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-07 | Managing Product Liability to Achieve Highway Innovations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-08 | Thin-Surfaced Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-09 | Methods for Capital Programming and Projection Selection | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-10 | Response of Small Urbanized Area MPOs to ISTEA | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-11 | Traffic Signal Control Systems Maintenance Management Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-12 | Road User and Mitigation Costs in Highway Pavement Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 27-16 | Applications of GPS for Surveying and Other Positioning Needs in Departments of Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-01 | Best Management Practices for Environmental Issues Related to Highway and Street Maintenance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-02 | Geotechnical Related Development and Implementation of Load and Resistance Factor Design (LRFD) Methods | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-03 | Project Development Methodologies for Reconstruction of Urban Freeways and Expressways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-04 | Lead-Based Paint Removal for Steel Highway Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-05 | Dynamic Impact Factors for Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-06 | Methods to Achieve Rut-Resistant Durable Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-07 | Submittal of Bid Proposals in Electronic Format | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-08 | Historic Highway Bridge Preservation Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-09 | Modern Roundabout Practice in the United States | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-10 | Transportation Management Center Functions | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-11 | Tolling Practices for Highway Facilities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 28-12 | Traffic Signal Operations Near Highway-Rail Grade Crossings | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 29-01 | Seven Keys to Building a Robust Research Program | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 29-02 | Roadway Incident Diversion Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 29-03 | Performance Survey on Open-Graded Friction Course Mixes | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 29-04 | Project Management Information Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 29-05 | Impact of Narrow Median Widths on Commercial Vehicles | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 29-06 | Consultants for DOT Preconstruction Engineering Work | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 29-07 | Management and Selection Systems for Highway Maintenance Equipment | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 29-08 | Measuring In-situ Mechanical Properites of Pavement Subgrade Soils | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-01 | Systems Engineering Processes for Developing Traffic Signal Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-02 | Multimodal Aspects of Statewide Transportation Planning | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-03 | Corridor Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-04 | Innovative Practices to Reduce Delivery Time for Right-of-Way in Project Development | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-05 | Current Practices for Assessing Economic Development Impacts from Transportation Investments | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-06 | Sleep Deprivation Countermeasures for Motorist Safety | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-07 | Data Sharing and Data Partnerships for Highways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-08 | Bridge Deck Joint Performance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-09 | Quality Assurance of Structural Material | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-10 | Maintenance of Highway Edgedrains | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-11 | Evaluation of Pavement Friction Characteristics | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 30-12 | Reducing and Mitigating the Impacts of Lane Occupancy During Construction and Maintenance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-01 | A Review of Recent Geometric Design Research for Improved Safety and Operations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-02 | Statistical Methods in Highway Safety Analysis | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-03 | Assesment and Rehabilitation of Existing Culverts | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-04 | Performance Measures for Research, Development and Technology Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-05 | Collecting, Processing, and Integrating GPS Data into GIS | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-06 | Facilitating Partnerships in Transportation Research | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-07 | Long-term Pavement Marking Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-08 | Impact of New Information/Communications Technology on Transportation Agencies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-09 | Truck Trip Generation Guide | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-10 | Configuration Management in Transportation Management Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-11 | Building Effective Relationships Between States, Cities and the Federal Government | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 31-12 | Mitigation of Ecological Impacts | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-01 | Dealing With Truck Parking Demands | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-02 | Stategies for Managing Increasing Truck Traffic | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-03 | Impact of Red Light Camera Enforcement on Crash Experience | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-04 | Significant Findings from Full-scale/Accelerated Pavement Testing | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-05 | Driveway Regulation Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-06 | Public Benefits of Highway System Maintenance and Operations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-07 | Performance Measures of Operational Effectiveness for Highway Segments and Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-08 | Cost Effective Structures for Off-system Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-09 | Transportation Planning and Management for Special Events | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-10 | Compensation for Contractors Home Office Overhead | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-11 | Interaction Between Wildlife Ecology and Roadways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 32-12 | Owner Controlled Insurance Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-01 | Design Exception Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-02 | Precast Structural Elements for Bridge Construction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-03 | State Product Evaluation Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-04 | Integrated Roadside Vegetation Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-05 | Safe and Quick Clearance of Traffic Incidents | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-06 | Roadway Safety Tools for Local Agemcies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-07 | Safety Management Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-08 | Recruiting and Retaining Professional Staff in State Transportation Agencies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-09 | Statewide Highway Letting Program Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-10 | Steel Bridge Erection Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-11 | Integrating Tourism and Recreation Travel with Transportation Planning and Project Delivery | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 33-12 | Integrating Freight Facilities and Operations with Community Goals | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-01 | Centerline Rumble Strips | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-02 | Road Safety Audits | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-03 | Linking Strategic Planning to Resource and Implementation Issues | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-04 | Automated Pavement Distress Collection Techniques | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-05 | Effective Construction Management of Disadvantaged Business Enterprise Issues | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-06 | Convertible Roadways and Lanes | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-07 | Cooperative Agreements for Corridor Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-08 | Use of Ultra-thin Whitetopping | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-09 | Concrete Bridge Deck Performance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-10 | Winter Highway Operations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-11 | Geographic Information System Applications in Pavement Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 34-12 | Access Location and Design on Crossroads in the Vicinity of Freeway Interchanges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-01 | State Quality Assurance Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-02 | Chip Seal Best Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-03 | Crash Records Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-04 | Value Engineering Practices in Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-05 | Developing Transportation Agency Leaders | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-06 | Access Rights | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-07 | Inspection and Maintenance of Cable-Stayed Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-08 | Comprehensive Investigation of Bridges with Fracture Critical Details | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-09 | Compliance with National Historic Preservation Act Requirements for Archeological Investigation and Mitigation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-10 | Improving the Safety of Older Road Users | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 35-11 | Transportation Implications of Emerging Economic Development Trends | Final (Synthesis) | Research Results Digest |
| NCHRP Synthesis 20-05/Topic 35-12 | Transportation Technology Transfer Successes, Challenges, and Needs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-01 | Bridge Rating Practices and Polices for Overweight Vehicles | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-02 | Monitoring Scour Critical Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-03 | Technologies for Improving Safety Data | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-04 | Visualization for Project Development | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-05 | Control of Invasive Species | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-06 | Pavement Markings- Design and Typical Layout Details | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-07 | Training Program Policies, Processes, and Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-08 | Use of Geophysics for Transportation Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-09 | Statewide Travel Forecasting Models | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-10 | Impact of Intermodal Freight Terminals Closures | Final (Synthesis) | Withdrawn |
| NCHRP Synthesis 20-05/Topic 36-11 | Estimating Toll Facility Demand and Revenue | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-12 | Use of Rock-Socketed Shafts for Highway Structure Foundations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 36-16 | State of Tribal Transportation Programs in the United States | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-01 | Multi-Disciplinary Teams in Context Sensitive Solutions | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-02 | Preservation of Institutional Memory | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-03 | Managing Selected Transportation Infrastructure Assets | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-05 | Bridge Inspection Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-06 | Emerging Technologies for Construction Delivery | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-07 | Bridge Management Systems for Transportation Agency Decision-Making | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-08 | Crash Reconstruction Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-09 | Performance-Based Contracting for Maintenance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-10 | Preserving Freight and Passenge Rail Corridors and Service | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-11 | Debt Financing Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-12 | Animal-Vehicle Collision Data Collection | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 37-14 | Cone PenetrationTest- State of Practice | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-01 | Quality Assurance in Design-Build Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-02 | Information Technology for Efficient Project Delivery | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-03 | Compilation of Public Opinion Data on Tolls and Road Pricing | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-04 | State Highway Cost Allocation Studies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-05 | LED Traffic Signal Monitoring, Maintenance and Replacemenrt Issues | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-06 | Pre-Overlay Treatment of Existing Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-07 | Forecasting Metropolitan Commercial and Freight Travel | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-09 | Estimating Stiffness of Subgrades and Unbound Materials for Pavement Design | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-10 | High Speed Weigh-in-Motion System Calibration Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-11 | Changeable Message Sign Displays During Non-Incident, Non-Roadwork Periods | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-12 | Alternative Contracting Methods to Facilitate Faster Construction and Reconstruction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-13 | Illuminated, Active, In-Pavement Marker Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 38-15 | Falling Weight Deflectometer Usage | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-01 | Quality Management of Pavement Distress Data Collection | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-02 | Improving the Safety of Mobile Lane Closures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-03 | Cathodic Protection for Life Extension of Existing Reinforced Concrete Bridge Elements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-04 | Performance Based Construction Contractor Pre-qualification | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-05 | Emergency Evacuation and Reentry | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-06 | Public Sector Decision-Making in Public Private Partnerships | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-07 | Reducing Litter on the Roadsides | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-08 | Real Time Traveler Information for the Public | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-09 | Design Flexibility Considerations for Established Cities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-10 | Adjacent Precast Box Beam Bridges: Connection Details | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-11 | Performance of Thin Polymer Overlays for Bridge Decks | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-12 | Identify Promising Technologies for Biological Surveys | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 39-13 | Pavement Marking Warranty Specifications | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-01 | Recycled Materials and Byproducts in Highway Applications | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-02 | Construction Manager-at-risk Project Delivery for Highway Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-03 | Adaptive Traffic Control Systems : Domestic and Foreign State of Practice | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-04 | Utility Location and Highway Design | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-05 | Effective Public Involvement Using Limited Resources | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-06 | Advanced Practices in Travel Forecasting | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-07 | Trade-off Considerations in Highway Geometric Design | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-08 | Effective Speed Reduction Techniques for Rural High to Low Speed Transitions | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-09 | Freight Transportation Surveys- Existing Methods and Guidelines | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-10 | Traffic Signal Retiming Practices in the U.S. | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-11 | The State of Practice in Highway Access Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 40-13 | Recycling and Reclamation of Asphalt Pavements Using In-Place Methods | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-01 | Geometric Design Practices for Resurfacing, Restoration, and Rehabilitation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-02 | Effective Delivery of Small-Scale Federal Aid Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-03 | Engineering Economic Analysis Practices for Highway Investment | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-04 | Sustainable Pavement Maintenance Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-05 | Design Fires in Road Tunnels | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-06 | Accelerating Implementation of Transportation Research Results | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-07 | Operational and Institutional Agreements that Facilitate Regional Traffic Signal Operations Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-08 | Implementing Race-Neutral Measures in State Disadvantaged Business Enterprise (DBE) Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-09 | Techniques for Effective Highway Construction Projects in Congested Urban Areas | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-10 | Developing Production Pile Driving Criteria from Test Pile Data | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-11 | Transportation Improvement Program Revision Process | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 41-12 | Microsurfacing | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-01 | Geotechnical Information Practices in Design-Build Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-02 | Use of the U. S. Census Bureau’s Public Use Microdata Sample (PUMS) by States and Metropolitan Planning Organizations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-03 | Practice and Procedures for Site-Specific Evaluation of Earthquake Ground Motions | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-04 | Recent Roadway Geometric Design Research for Improved Safety and Operations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-05 | Assessing the Long-Term Performance of Mechanically-Stabilized Earth (MSE) Walls | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-06 | Performance-Based Highway Maintenance and Operations Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-07 | Waterproofing Membranes for Concrete Bridge Decks | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-08 | Full-Scale Accelerated Pavement Testing, 2000 – 2011 | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-09 | Cost-effective and Sustainable Road Slope Stabilization and Erosion Control | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-10 | Extent of Highway Capacity Manual Use in Planning | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-11 | Local Policies and Practices that Support Safe Pedestrian Environments | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 42-12 | Practices to Manage Traffic Sign Retroreflectivity | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-01 | Use of Transportation Asset Management Principles in State Highway Agencies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-02 | High Performance Concrete Specifications and Practices for Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-03 | Practices for Unbound Aggregate Pavement Layers | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-04 | Practices and Performance Measures for Local Public Agency Federally-Funded Highway Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-05 | Practical Design/Practical Solutions Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-06 | Pollutant Load Reductions for Total Maximum Daily Load (TMDL) Reductions for Highways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-07 | Performance Based Seismic Bridge Design | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-08 | State DOT Small Business Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-09 | Use of Advanced Geospatial Data Tools, Technologies, and Information in DOT Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-10 | Active Traffic and Demand Management Strategies for Arterials Roadways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-11 | Expedited Procurement Procedures for Emergency Construction Services | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-12 | Reducing the Effects of Roadway Deicers on the Natural Environment | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-13 | Forecasting Construction Staffing Requirements for Future Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-14 | State Department of Transportation Fleet Replacement Management Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 43-15 | Models for Effective Emergency Medical Services Response to Motor Vehicle Crashes in Rural Areas | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-01 | FEMA and FHWA Emergency Relief Funds Reimbursements to State Departments of Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-02 | Using the Economic Value Created by Transportation to Fund Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-03 | Outsourcing Winter Maintenance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-04 | Pavement Patching Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-05 | Roadway Safety Data Interoperability between Local and State Agencies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-06 | Implementation of the AASHTO Mechanistic-Empirical Pavement Design Guide and Software | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-07 | Thin Asphalt Concrete Overlays | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-08 | Response to Extreme Weather Impacts on Transportation Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-09 | Alternative Technical Concepts for Contract Delivery Methods | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-10 | Non-Nuclear Methods for Compaction Control of Unbound Materials | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-11 | Managing Longitudinal Utility Installations on Controlled Access Highway Right-of-Way | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-12 | Interactive Training for All-Hazards Emergency Planning, Preparation, and Response for Maintenance and Operations Field Personnel | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-13 | Sharing Operational Data Among Agencies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-14 | Permanent Signs Mounted on Median Barriers | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 44-15 | State Bridge Load Posting Processes and Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-01 | Service Life of Culverts | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-02 | Practices for Developing Transparent Best Value Selection Procedures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-03 | Current Practices to Set and Monitor DBE Goals on Design-Build Projects and Other Alternative Project Delivery Methods | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-05 | Design and Load Testing of Large Diameter Open-Ended Driven Piles | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-06 | Work Zone Speed Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-07 | Forecasting Transportation Revenue Sources: Survey of State Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-09 | Indefinite Delivery/Indefinite Quantity Contracting Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-10 | The Impacts of Energy Developments on U.S. Roads and Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-11 | Economic and Development Implications of Transportation Disinvestment | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-12 | Methods and Practice on Reduction and Elimination of Asphalt Mix Segregation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-13 | Maintenance Quality Assurance Field Inspection Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-14 | Practices for Permitting Superheavy Load Movements on Highway Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-15 | Fiber Additives in Asphalt Mixtures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-16 | Alliance Contracting – Evolving Alternative Project Delivery | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 45-17 | Visualization of Geotechnical Data for Hazard Mitigation and Disaster Response | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-01 | Public Perception of Mileage-Based User Fees | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-02 | Roundabout Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-03 | Performance Specifications for Asphalt Mixtures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-04 | Influence of Geotechnical Investigation and Subsurface Conditions on Claims, Change Orders and Overruns | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-05 | Use of Reclaimed Asphalt Pavement and Recycled Asphalt Shingles in Asphalt Mixtures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-06 | Use of Mobile Information Technology Devices in the Field for Design, Construction and Asset Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-07 | State Practices for Local Road Safety | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-09 | Extending Bridge Service Life through Field Welded Repair and Retrofits | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-10 | Application of Pedestrian Crossing Treatments for Streets and Highways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-11 | Post-Extreme Event Damage Assessment and Response for Highway Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-12 | Converting Paved Roads to Unpaved | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-13 | Practice of Rumble Strips and Rumble Stripes | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-14 | Practices for High-Tension Cable Barrier | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-15 | Life Cycle Cost Analysis for Management of Highway Assets | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-16 | Minimizing Roadway Embankment Damage from Flooding | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 46-17 | Training and Certification of Highway Maintenance Workers | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-01 | Control of Concrete Cracking in Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-02 | Alternate Design/Alternate Bid Process for Pavement Type Selection | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-03 | Current Practices and Guidelines for the Reuse of Bridge Foundations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-04 | Leveraging Technology for Transportation Agency Workforce Development and Training | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-05 | Data Management and Governance Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-06 | Strategic Program Delivery Methods | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-07 | Evolving Debt Finance Practices for Surface Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-08 | Pavement Management Systems: Putting Data to Work | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-09 | Practices for Establishing Contract Completion Dates for Highway Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-10 | Resource Allocation of Available Funding to Programs of Work | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-12 | Use of Fiber Reinforced Polymers in Transportation Infrastructure | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-13 | Relationship Between Chemical Makeup of Binders and Engineering Performance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-14 | Effective Utility Coordination: Application of Research and Current Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-15 | Traffic Signal Preemption at Intersections near Highway-Rail Grade Crossings | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-16 | Highway Worker Safety | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 47-17 | Statewide and MegaRegional Travel Forecasting Models: Freight and Passenger | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-01 | Practices for Preventing Roadway Departure Crashes | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-02 | Tack Coat Specifications, Materials, and Construction Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-03 | Corrosion Protection for Extending Steel Bridge Service Life | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-04 | Staffing for Alternative Contracting Methods | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-05 | The Renewal of Stormwater Systems Using Trenchless Technologies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-06 | Integrated Transportation and Land Use Models | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-07 | Investment Prioritization Methods for Low Volume Roads | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-08 | Connected Work Zones - Integrating Technology into Work Zones, Vehicles, and Equipment to Improve Worker, Driver, Pedestrian, and Bicycle Safety | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-09 | Integration of Roadway Safety Data from State and Local Sources | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-10 | Aggregate Quality Requirements for Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-11 | Practices in One Lane Traffic Control on a Two-Lane Rural Highway | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-12 | Inertial Profiler Certification for Evaluation of International Roughness Index | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-13 | Resilience in Transportation Planning, Engineering, Management, Policy, and Administration | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-14 | Analyzing Data for Measuring Transportation Performance by State DOTs and MPOs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-15 | How Transportation Agencies Assess the Value of Added Capacity Highway Projects versus Other Modal Projects and Strategies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 48-16 | Construction and Rehabilitation of Concrete Pavements under Traffic | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-01 | Prioritization of Freight Investment Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-02 | Emerging Technologies for Construction Delivery | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-03 | Bridge Demolition Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-04 | Very Short Duration Work Zone Safety for Maintenance and other Activities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-05 | Impact of Asphalt Materials Lift Thickness on Pavement Quality | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-06 | Landscape Development and Management Practices for Urban Freeway Roadsides | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-07 | Managing Transportation Research Programs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-08 | Pedestrian Safety Relative to Traffic Speed Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-09 | Concrete Technology for Transportation Applications | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-10 | Transportation Workforce Planning and Development Strategies | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-11 | Practice for Online Public Involvement | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-12 | Seismic Design of Non-conventional Bridges | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-13 | Leveraging Private Capital for Infrastructure Renewal | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-14 | Methods to Acquire Proprietary Data for Transportation Applications | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 49-15 | Automated Pavement Condition Surveys | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-01 | Advancements in Use of Geophysical Methods for Transportation Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-02 | Highway Hydraulic Engineering State of Practice | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-03 | Use of Weigh-in-Motion Data for Pavement, Bridge, Weight Enforcement, and Freight Logistics Applications | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-04 | Utility Pole Safety and Hazard Evaluation Approaches | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-05 | Incorporating Roadway Access Management into Local Ordinances | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-06 | Advances in Unstable Slope Instrumentation and Monitoring | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-07 | Electronic Ticketing of Materials for Construction Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-08 | Emerging Challenges to Priced Managed Lanes | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-09 | Performance Based Pavement Warranty Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-10 | Availability and use of Pedestrian Infrastructure Data to Support Active Transportation Planning | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-11 | Alternative Intersection Design and Selection | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-12 | Development and Use of As-Builts Plans by State DOTS | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-13 | Estimating and Contracting Rock Slope Scaling Adjacent to Highways | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-14 | Practices for Fabrication Asphalt Specimens for Testing in Laboratories | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 50-15 | Asset Management Approaches to Identifying and Evaluating Assets Damaged Due to Emergency Events | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-01 | Practices for Construction-Ready Digital Terrain Models | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-02 | Practices for Bridge Approach Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-03 | Temporary Pavement Markings Placement and Removal Practices in Work Zones | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-04 | Practices for Selecting Pedestrian and Bicycle Projects | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-05 | Collaborative Practices for Performance-Based Asset Management Between State DOTs and MPOs | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-06 | Use of Vehicle Probe and Cellular GPS Data by State Departments of Transportation | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-07 | Practices for Assessing and Mitigating the Moisture Susceptibility of Asphalt Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-08 | Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-09 | Portland Cement Concrete Pavement Joint Sealant Practices and Performance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-10 | Practices for Integrated Flood Prediction and Response Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-11 | Lighting Practices for Isolated Rural Intersections | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-12 | Night and Weekend Movement of Oversize/Overweight Loads | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-13 | Load Rating of Bridges and Culverts with Missing or Incomplete As-Built Information | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-14 | Repair and Maintenance of Post-Tensioned Concrete Bridges | Final (Synthesis) | Complete. Published as NCHRP Synthesis 562. |
| NCHRP Synthesis 20-05/Topic 51-15 | State DOT Practice for Developing and Implementing TSMO Plans | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-16 | Maintenance and Surface Preparation Activities Prior to Pavement Preservation Treatments | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-17 | Practices for Closing Out Highway Projects from Substantial Completion to Final Payment | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-18 | Practices for Project-Level Analyses for Air Quality | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 51-19 | Performance Metrics for Public-Private Partnership | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-01 | Highway Infrastructure Inspection Practices for the Digital Age | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-02 | Bridge Element Data and Use | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-03 | Practices for Ensuring Bridge Surface Smoothness | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-04 | Use of Unmanned Aircraft Systems for Highway Construction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-05 | Implementation of Subsurface Utility Engineering for Highway Design and Construction | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-06 | Agency Use of Quality Control Plans for Administering Quality Assurance Specifications | Final (Synthesis) | Published as NCHRP Synthesis Report 590. |
| NCHRP Synthesis 20-05/Topic 52-07 | Use of Pavement Data Collection Technology for Pavement Data Quality Management and MAP-21 Reporting | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-08 | Practices for Balancing Safety Investments in a Comprehensive Safety Program | Final (Synthesis) | Published as NCHRP Synthesis Report 592. |
| NCHRP Synthesis 20-05/Topic 52-09 | Use of Safety Management Systems in Managing Highway Maintenance Worker Safety | Final (Synthesis) | Published as NCHRP Synthesis Report 591. |
| NCHRP Synthesis 20-05/Topic 52-10 | Subsurface Drainage Practices in Pavement Design, Construction, and Maintenance | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-11 | Use of Smart Work Zone Technologies for Improving Work Zone Safety | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-12 | Rehabilitation of Culverts and Buried Storm Drain Pipes | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-13 | Micromobility Policies, Permits, and Practices | Final (Synthesis) | Report published as NCHRP Synthesis 597. |
| NCHRP Synthesis 20-05/Topic 52-14 | 3D Digital Models as Highway Construction Contract Documents | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-15 | Measuring Investments in Active Transportation When Accomplished as Part of Other Transportation Projects | Final (Synthesis) | Published as NCHRP Synthesis Report 596. |
| NCHRP Synthesis 20-05/Topic 52-16 | Visualization of Highway Performance Measures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-17 | Use of Recycling Agents in Asphalt Concrete Mixtures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-18 | Design Practices for Rock Slopes and Rockfall Management | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 52-19 | Technological Capabilities of DOTs for Digital Project Management and Delivery | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 53-01 | Practices to Promote Equity in Transportation Funding | Final (Synthesis) | Final report is published on project page as uncorrected agency report. |
| NCHRP Synthesis 20-05/Topic 53-02 | Practices to Motivate Safe Behaviors with Highway Construction and Maintenance Crews | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 53-03 | Leveraging Social Media Data for Emergency Preparedness and Response | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 53-04 | Practices for the Collection, Use, and Management of Utility As-Built Information | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 53-05 | Practices for Bioretention Stormwater Control Measures | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 53-06 | Local Calibration of LRFD Geotechnical Resistance Factors | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 53-07 | Curing Practices for Concrete Pavements | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 53-08 | Strategies and Programs For Electric Vehicle Charging | Final (Synthesis) | Published as NCHRP Synthesis Report 605. |
| NCHRP Synthesis 20-05/Topic 53-09 | Use of Unmanned Aerial Systems for Inspection of Stormwater Best Management Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 53-10 | Contrast Pavement Markings Practices | Final (Synthesis) | Completed report can be found at NCHRP Synthesis Report 613. |
| NCHRP Synthesis 20-05/Topic 53-11 | Resilient Design with Distributed Rainfall-Runoff Modeling | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 53-12 | Practices for Adding Bicycle and Pedestrians Access on Existing Vehicle Bridges | Final (Synthesis) | Published as NCHRP Synthesis Report 604. |
| NCHRP Synthesis 20-05/Topic 53-13 | Practices for Steel Bridge Fabrication and Erection Tolerances | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 53-14 | Use of Probe Data for Freight Planning and Operations | Final (Synthesis) | Published as NCHRP Synthesis Report 611: Use of Probe Data for Freight Planning and Operations |
| NCHRP Synthesis 20-05/Topic 53-15 | Coordination of Upgrades and Installation of New Software Required by Traffic Operations and Maintenance | Final (Synthesis) | Project has been cancelled. |
| NCHRP Synthesis 20-05/Topic 53-16 | Critical Findings for Tunnel Functional Systems | Final (Synthesis) | Completed report can be found at NCHRP Synthesis Report 607. |
| NCHRP Synthesis 20-05/Topic 53-17 | Integrating Freight and Active Transportation into Policies, Programs, Plans, and Project Development | Final (Synthesis) | Published as NCHRP Synthesis Report 606. |
| NCHRP Synthesis 20-05/Topic 53-18 | Moisture Measurement for Pavement Foundations and Slopes | Final (Synthesis) | Completed report can be found at NCHRP Synthesis Report 612. |
| NCHRP Synthesis 20-05/Topic 53-19 | State DOT Product Evaluation Processes | Final (Synthesis) | Published as NCHRP Synthesis Report 616 |
| NCHRP Synthesis 20-05/Topic 54-01 | Practices to Identify and Mitigate PFAS Impacts on Highway Construction Projects and Maintenance Operations | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 54-02 | Outsourcing Post-Construction Stormwater Best Management Practice Inspection and Maintenance Activities | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 54-03 | DOT Practices on Road Safety Audits | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 54-04 | Mobile Devices as a Tool for Digitalized Project Documentation and Inspection | Final (Synthesis) | Published as NCHRP Synthesis 635 |
| NCHRP Synthesis 20-05/Topic 54-05 | Practices for Statewide and MPO Coordination | Final (Synthesis) | Published as NCHRP Synthesis Report 626 |
| NCHRP Synthesis 20-05/Topic 54-06 | Ancillary Asset Data Stewardship and Data Models | Final (Synthesis) | The synthesis final report is published as NCHRP Synthesis Report 628; a PDF version of the report can be downloaded at https://doi.org/10.17226/27821. |
| NCHRP Synthesis 20-05/Topic 54-07 | Visualization for Public Involvement | Final (Synthesis) | The synthesis final report is published as NCHRP Synthesis Report 632; a PDF version of the report can be downloaded at https://doi.org/10.17226/27882. |
| NCHRP Synthesis 20-05/Topic 54-08 | Practices for Integrating Performance-Based Plans with Long-Range Transportation Plans and Statewide Transportation Investment Programs | Final (Synthesis) | Published as NCHRP Synthesis Report 631 |
| NCHRP Synthesis 20-05/Topic 54-09 | Hydraulic Engineering Practices for Construction and Temporary Facilities in Streams and Rivers | Final (Synthesis) | The completed report may be found at NCHRP Synthesis Report 619. |
| NCHRP Synthesis 20-05/Topic 54-10 | State Customization of Highway Safety Manual Methods | Final (Synthesis) | Published as NCHRP 634 |
| NCHRP Synthesis 20-05/Topic 54-11 | Quality Control Checks for Bridge and Structure Analysis Models | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 54-12 | Programmatic Implementation of Alternative Contracting Methods | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 54-13 | Truck Emergency Escape Ramp Design and Operation | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 54-14 | Artificial Intelligence Applications for Automated Pavement Condition Evaluation | Final (Synthesis) | Published as NCHRP Synthesis 636 |
| NCHRP Synthesis 20-05/Topic 54-15 | Prevention and Mitigation of Surficial Slope Failures on Highway Embankment Slopes | Final (Synthesis) | The completed report may be found at NCHRP Synthesis Report 617. |
| NCHRP Synthesis 20-05/Topic 54-16 | Post-Construction Evaluation Practices for Highway Projects Delivered Using Alternative | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 54-17 | State DOT Innovation Programs and Practices | Final (Synthesis) | The final report of this synthesis has been published as NCHRP Synthesis Report 633; a PDF version of the report can be downloaded at https://doi.org/10.17226/27829. |
| NCHRP Synthesis 20-05/Topic 54-18 | Wintertime Pavement Maintenance Practices | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 54-19 | Practices for Controlling Tunnel Leaks | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 54-20 | Advancing Gender Equity in the DOT Workforce | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 54-21 | Practices in the Transportation Planning Process to Address Climate Resilience and GHG Emission Quantification and Reduction | Final (Synthesis) | Published as NCHRP Synthesis Report 624 |
| NCHRP Synthesis 20-05/Topic 54-22 | Practices for Capturing and Integrating Cost Data in Maintenance Systems | Final (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-01 | State DOT Policies and Practices on the Use of Corrosion Resistant Reinforcing Bars | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-02 | Practices for Collecting, Managing, and Using Light Detection and Ranging (LiDAR) Data | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-03 | Asset Management Practices for Mechanically Stabilized Earth Walls | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-04 | Current Practices and Guidelines for Full-Depth Reclamation (FDR) | Final (Synthesis) | This project has beed replaced by NCHRP Project 20-05/Topic 55-04A, in order to accommodate a change in contract vehicles. |
| NCHRP Synthesis 20-05/Topic 55-04A | Current Practices and Guidelines for Full-Depth Reclamation (FDR) | Active (Synthesis) | This project replaces NCHRP Project 20-05/Topic 55-04, in order to accomodate a change in contract vehicles. |
| NCHRP Synthesis 20-05/Topic 55-05 | Use of Supplementary Cementitious Materials for Concrete | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-06 | State DOT Certification Programs for Materials Sampling and Testing Personnel | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-07 | Stormwater Retrofit Programs and Practices Through Third-Party Partnerships | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-08 | Construction Strategies and Techniques for Planned Bridge Replacements in Complex Scenarios | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-09 | Open-books Pricing Practices for Construction Manager/General Contractor and Progressive Design-Build Projects | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-10 | Implementation of the Federal Highway Administration (FHWA) Proven Safety Countermeasures | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-11 | Construction Stormwater Program Management, Tracking, Reporting, and Compliance | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-12 | Bridge Construction Inspection Training Resources and Practices | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-13 | Practices for Operational Traffic Simulation Models | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-14 | Maintenance Practices for Wide Cracks and Joints in Flexible and Composite Pavements | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-15 | Tracking Safety Leading Indicators to Improve DOT Employee Safety Performance | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-16 | Use of Sustainable Materials for Erosion and Sediment Control Practices | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-17 | Practices to Enhance Resiliency of Existing Roadway and Embankment Culverts | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-18 | Permitting, Design, and Construction Practices for Aquatic Organism Passage | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-19 | Documenting the State of Practice in Managing Ancillary Transportation Assets | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-20 | Traffic Capacity Level of Service Adaptations and Usage | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 55-21 | Funding for Maintenance of Complete Streets | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 56-01 | Specialized Training and Knowledge Transfer Practices for Employee Safety | New | |
| NCHRP Synthesis 20-05/Topic 56-02 | Design, Production, and Construction of High RAP Asphalt Mixtures | New | |
| NCHRP Synthesis 20-05/Topic 56-03 | Current Practices in Pedestrian Safety Enhancements by State DOTs | New | |
| NCHRP Synthesis 20-05/Topic 56-04 | Practices on Mental Health, Suicide Prevention, and Addiction Mitigation in Construction and Maintenance | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 56-05 | Traffic Analysis Practices for Non-Motorized Modes (Vulnerable Road Users) | Active (Synthesis) | Research in progress |
| NCHRP Synthesis 20-05/Topic 56-06 | Practices for Transitioning to Digital Project Delivery | New | |
| NCHRP Synthesis 20-05/Topic 56-07 | Practices for Incorporating Risk into Bridge Management Plans | New | |
| NCHRP Synthesis 20-05/Topic 56-08 | Using Cathodic Protection to Mitigate Corrosion of Reinforced Concrete and Structural Steel Components of Highway Structures | New | |
| NCHRP Synthesis 20-05/Topic 56-09 | Staffing Models for Transportation Systems Management and Operations (TSMO) | New | |
| NCHRP Synthesis 20-05/Topic 56-10 | Practices to Reduce Serious Injuries and Fatalities (SIFs) with Department of Transportation Employees | New | |
| NCHRP Synthesis 20-05/Topic 56-11 | Practices for Transportation Planning in Non-Metropolitan Areas | Active (Synthesis) | |
| NCHRP Synthesis 20-05/Topic 56-12 | Practices on Management, Operation, and Maintenance of Automated Traffic Signal Performances Measures | New | |
| NCHRP Synthesis 20-05/Topic 56-13 | Budgetary Practices for State Stormwater Permit Compliance Programs | New | |
| NCHRP Synthesis 20-05/Topic 56-14 | State DOT Training Programs to Comply with NPDES Stormwater Permit Requirements | New | |
| NCHRP Synthesis 20-05/Topic 56-15 | Practices for Designing, Installing, Maintaining, Replacing, and Successively Using Complementary Bridge Deck Protection Systems | New | |
| NCHRP Synthesis 20-05/Topic 56-16 | Data Collection and Management to Expedite Pothole Repairs | New | |
| NCHRP Synthesis 20-05/Topic 56-17 | Testing and Modeling Practices for Implementing a Pavement Friction Management Program | New | |
| NCHRP Synthesis 20-05/Topic 56-18 | Practices for Personal Protective Equipment | New | |
| NCHRP Synthesis 20-05/Topic 56-19 | Practices on Coordination of HSIP and Highway Safety Office Activities | New | |
| NCHRP Synthesis 20-05/Topic 56-20 | Pavement Design and Evaluation of Low Volume Roads with Heavy Loads | New | |
| NCHRP Synthesis 20-05/Topic 56-21 | Practices Related to Design and Construction Contingency | New | |
| NCHRP Synthesis 20-05/Topic 56-22 | State DOT Practices for Recruiting and Retaining Engineering, Planning, and Management Employees | New | |