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The National Academies

NCHRP Synthesis 20-05/Topic 50-03 [Active (Synthesis)]

Use of Weigh-in-Motion Data for Pavement, Bridge, Weight Enforcement, and Freight Logistics Applications
[ NCHRP 20-05 (Synthesis of Information Related to Highway Practices) ]

  Project Data
Funds: $45,000
Authorization to Begin Work: 5/1/2018 -- estimated
Staff Responsibility: Jo Allen Gause
Research Agency: University of Texas at Austin
Principal Investigator: Darren Hazlett
Effective Date: 9/12/2018
Fiscal Year: 2018

Final Scope

Characterization of vehicle loads is a critical input for the design and management of transportation structures and systems. The advent of automated means to collect weigh-in-motion (WIM) data has provided for site specific, per vehicle data in lieu of estimation. While state departments of transportation (DOTs) are required to submit WIM data to the Federal Highway Administration as part of their traffic monitoring programs, some agencies are using actual load data as a tool for a variety of applications and decision making. Uses of WIM data, beyond federal reporting requirements, includes pavement and bridge design and management, load ratings, commercial vehicle weight enforcement screening, and freight planning and logistics.
 
The objective of this synthesis is to document how DOTs use WIM data for asset design, weight enforcement, and freight logistics. The study will identify the use of WIM data as a tool to support decision making. The synthesis is intended to help agencies make more effective use of the WIM data they are collecting.
 
Information to be gathered includes, but is not limited to, how WIM data is incorporated into:
 
• Pavement design
• Pavement management
• Bridge load ratings
• Bridge management
• Weight enforcement support
• Freight planning and logistics
 
This synthesis will also document impediments to using WIM data as a tool and will document lessons learned by DOTs.
 
Information will be gathered through literature review, a survey of DOTs, and interviews with selected agencies for case examples. The PI will outline the survey methodology in the work plan. Knowledge gaps and research that could address those gaps will be identified.
 
Information Sources:
• TRB Weigh-in-Motion Subcommittee (ABJ35(2)) of the TRB Committee on Highway Traffic Monitoring (ABJ35), e-Circular (E-C227)
• NCHRP Synthesis 386, High-Speed Weigh-In-Motion System Calibration Practices
• TRB session #360, TRB 2017 Annual Meeting, The Risk of Not Collection WIM Data@
• Ahmed, A., B. R. Agbelie, S. Lavrenz, M. Keefer, S. Labi, and K. C. Sinha. Costs and Revenues Associated With Overweight Trucks in Indiana. Publication FHWA/IN/JTRP-2013/01. Joint Transportation Research Program, Indiana Department of Transportation and Purdue University, West Lafayette, Indiana, 2013. https://doi.org/10.5703/1288284314987

TRB Staff
Jo Allen Gause
Phone: 202-334-3826
Email: jagause@nas.edu

Meeting Dates
First Panel:  September 12, 2018, Washington, DC
Teleconference with Consultant: October 10, 2018, 1:00 - 2:00 pm ET
Second Panel: June 25, 2019, Washington, DC

Topic Panel
Bismark Agbelie, The Catholic University of America
Steven Bentz, Florida DOT
Paul Chien-Nan Chung, California DOT
Mark P. Gardner, Applied Pavement Technology, Inc
Anne-Marie H. McDonnell, Connecticut DOT
Joyce N. Taylor, Maine DOT
Benjamin Timerson, Minnesota DOT
John Berg, Federal Highway Administration
Thomas Palmerlee, Transportation Research Board

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