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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 Speed

 

Live Cams, Speed Sensors Track Traffic in Merritt Parkway Work Zone

For years, the $56.7 million project on a 5-mile stretch of the Merritt Parkway in Fairfield and Westport has caused lane closures and traffic delays. As the project enters its next phase, commuters … [Read more...] about Live Cams, Speed Sensors Track Traffic in Merritt Parkway Work Zone

Speed Preferences in Work Zones: The Combined Effect of Visible Roadwork Activity, Personality Traits, Attitudes, Risk Perception and Driving Style

One of the most common safety issues at work zones is high speed variation. Nevertheless, few studies have addressed psychological variables to deepen the understanding of drivers’ speed choice in … [Read more...] about Speed Preferences in Work Zones: The Combined Effect of Visible Roadwork Activity, Personality Traits, Attitudes, Risk Perception and Driving Style

Simulator and Field Study of Green Lights on Truck-Mounted Attenuators in Missouri During Mobile Operations

Mobile work zones for various types of moving operations (e.g., striping, pothole patching, sweeping) are an important component in highway maintenance activities which have particular safety issues. … [Read more...] about Simulator and Field Study of Green Lights on Truck-Mounted Attenuators in Missouri During Mobile Operations

Road Sign Vision and Driver Behaviour in Work Zones

The effectiveness of roadwork signs on drivers’ safety is a poorly investigated topic. The present study examined visual fixations of 29 participants to work zone signs, while driving 27 km along … [Read more...] about Road Sign Vision and Driver Behaviour in Work Zones

Optimizing Work-Zone Schedule with Floating Car Data Considering Traffic Diversion and Managed Lanes

Work zones have become the second largest contributor to the nonrecurring delay disruptions of traffic on US highways. The development of a sound model to minimize the total cost (i.e., road user cost … [Read more...] about Optimizing Work-Zone Schedule with Floating Car Data Considering Traffic Diversion and Managed Lanes

Research on the Relationship Between Dynamic Message Sign Control Strategies and Driving Safety in Freeway Work Zones

Several studies have researched the effect of dynamic message signs (DMSs) on the driving safety in work zones. However, only a few studies have examined the design of DMS control strategies in work … [Read more...] about Research on the Relationship Between Dynamic Message Sign Control Strategies and Driving Safety in Freeway Work Zones

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Copyright © 2026 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