| 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 | New | |
| NCHRP Synthesis 20-05/Topic 56-05 | Traffic Analysis Practices for Non-Motorized Modes (Vulnerable Road Users) | New | |
| 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 | New | |
| 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 DOT Safety Activities and Governors Highway Safety Offices | 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 | |