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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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Merging Control

Adaptive Traffic Management for Emergency Vehicles in Work Zones

A work zone is a section of road with closed lanes for maintenance, forcing vehicles to merge and creating congestion bottlenecks on the highway. Emergency Vehicles (EVs) are vital for incident … [Read more...] about Adaptive Traffic Management for Emergency Vehicles in Work Zones

Smart Work Zone Control and Performance Evaluation Based on Trajectory Data

Work zone control strategies, such as taper length and transverse rumble strips, have the potential to significantly impact traffic operations and safety. The performance of these strategies is often … [Read more...] about Smart Work Zone Control and Performance Evaluation Based on Trajectory Data

Safety Assessment of Cooperative Adaptive Cruise Control Truck Platooning on Freeway Work Zones

Freeway work zones, particularly in merging areas, experience serious traffic safety and operational difficulties. The advent of connected and autonomous vehicles (CAVs), capable of complex maneuvers … [Read more...] about Safety Assessment of Cooperative Adaptive Cruise Control Truck Platooning on Freeway Work Zones

Driver Preference Regarding Merging Strategies at Work Zones

Merging at work zones with lane closures is associated with delays and conflicts that often result in crashes. To minimize these undesirable effects of merging, researchers have studied and evaluated … [Read more...] about Driver Preference Regarding Merging Strategies at Work Zones

Traffic Performance of Successive Freeway Merge Segments

At freeway interchanges with high entering flows, implementing two successive merges can improve traffic flow and capacity by distributing the merging maneuvers. The German Guidelines for the Design … [Read more...] about Traffic Performance of Successive Freeway Merge Segments

ODOT: The Cars Zooming to the Orange Barrels Before Merging Are Doing It Right

The Ohio Department of Transportation (ODOT) endorses the zipper merge technique to reduce traffic congestion and delays during lane closures on interstates. Despite common frustration among drivers … [Read more...] about ODOT: The Cars Zooming to the Orange Barrels Before Merging Are Doing It Right

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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