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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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Dynamic Lane Merge Systems

Integrated Control Method for Freeway Work Zones Under Partially Connected Vehicle Environment

Highway work zones can cause traffic congestion and even traffic accidents. Dynamic lane merging (DM) and variable speed limit (VSL) systems are possible solutions to improve the efficiency of work … [Read more...] about Integrated Control Method for Freeway Work Zones Under Partially Connected Vehicle Environment

ADOT Testing Smart Work Zone Along I-40 to Make Work Zones Safer for Everyone: Agency looking to get real-time info to drivers, smooth merging

In order to increase safety and mobility in highway work zones, the Arizona Department of Transportation is studying a dynamic merge system, a specific type of smart work zone, at an existing I-40 … [Read more...] about ADOT Testing Smart Work Zone Along I-40 to Make Work Zones Safer for Everyone: Agency looking to get real-time info to drivers, smooth merging

The Dynamic Merge: Using Traffic Volume Based Signing to Improve Workzone Throughput

Roadwork that results in a lane closure can reduce both the safety and efficiency of a roadway. The dynamic merge is a form of merge control designed to mitigate the potential hazards of lane closures … [Read more...] about The Dynamic Merge: Using Traffic Volume Based Signing to Improve Workzone Throughput

Dynamic Lane-Based Signal Merge Control for Freeway Work Zone Operations

Traditional merge control strategies cannot yield the expected effectiveness under heavy traffic conditions at freeway work zones because inevitable traffic conflicts resulting from complex merging … [Read more...] about Dynamic Lane-Based Signal Merge Control for Freeway Work Zone Operations

New “Dynamic Merge System” Could Soon Reduce Traffic Through I-91 Construction

The Massachusetts Department of Transportation will place Dynamic Merge System on Interstate 91 in Springfield within the next few weeks to help direct drivers through the construction zone.   The … [Read more...] about New “Dynamic Merge System” Could Soon Reduce Traffic Through I-91 Construction

Creating Smarter Work Zones

Roadway work zones are necessary to maintain the transportation network for mobility, safety, and productivity. Various technological tools are available to help transportation professionals … [Read more...] about Creating Smarter Work Zones

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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