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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Traffic Congestion

Connected Vehicle Data-Based Tools for Work Zone Active Traffic Management

Work zones present challenges to safety and mobility that require agencies to balance limited resources with vital traffic management activities. It is important to obtain operational feedback for … [Read more...] about Connected Vehicle Data-Based Tools for Work Zone Active Traffic Management

INDOT Adjusts Traffic Lights to Ease Gridlock in Downtown Indy Because of I-65 Construction

The I-65 construction has caused a traffic gridlock in downtown Indianapolis.  Frustrated commuters turned to Call 6 for help and Call 6 Investigates took their concerns to the city and the state.  In … [Read more...] about INDOT Adjusts Traffic Lights to Ease Gridlock in Downtown Indy Because of I-65 Construction

Application of LiDAR and Connected Vehicle Data to Evaluate the Impact of Work Zone Geometry on Freeway Traffic Operations

Extensive literature exists regarding recommendations for lane widths, merging tapers, and work zone geometry to provide safe and efficient traffic operations. However, it is often infeasible or … [Read more...] about Application of LiDAR and Connected Vehicle Data to Evaluate the Impact of Work Zone Geometry on Freeway Traffic Operations

Variations in Driver Behavior: An Analysis of Car-Following Behavior Heterogeneity as a Function of Road Type and Traffic Condition

Microsimulation modeling is a tool used by practitioners and researchers to predict and evaluate the flow of traffic on real transportation networks. These models are used in practice to inform … [Read more...] about Variations in Driver Behavior: An Analysis of Car-Following Behavior Heterogeneity as a Function of Road Type and Traffic Condition

Characterizing the Impact of Nighttime Construction on Traffic-Related Emissions

Nighttime road maintenance and construction work is most commonly initiated where it is impractical or highly undesired to close traffic lanes on certain high-volume roadways during normal daylight … [Read more...] about Characterizing the Impact of Nighttime Construction on Traffic-Related Emissions

Variable Speed Limits Ease Congestion, Reduce Crashes on Highways: Study

In an effort to make traffic move more smoothly, researchers at the University of Missouri tested the effectiveness of Variable Advisory Speed Limit (VASL) systems, which provide drivers with a … [Read more...] about Variable Speed Limits Ease Congestion, Reduce Crashes on Highways: Study

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Copyright © 2025 American Road & Transportation Builders Association (ARTBA). The National Work Zone Safety Information Clearinghouse is a project of the ARTBA Transportation Development Foundation. It is operated in cooperation with the U.S. Federal Highway Administration and Texas A&M Transportation Institute. | Copyright Statement · Privacy Policy · Disclaimer
American Road and Transportation Builders Association Transportation Development Foundation, American Road and Transportation Builders Association U.S. Department of Transportation Federal Highway Administration Texas A&M Transportation Institute