• Skip to primary navigation
  • Skip to main content
Logo

Work Zone Safety Information Clearinghouse

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

  • About
  • Newsletter
  • Contact
  • X
  • Facebook
  • LinkedIn
  • Work Zone Data
    • At a Glance
    • National & State Traffic Data
    • Work Zone Traffic Crash Trends and Statistics
    • Worker Fatalities and Injuries at Road Construction Sites
  • Topics of Interest
    • Commercial Motor Vehicle Safety
    • Smart Work Zones
    • Work Zone Safety and MobilityTransportation Management Plans
    • Accommodating Pedestrians
    • Worker Safety and Welfare
    • Project Coordination in Work Zones
  • Training
    • Online Courses
    • FHWA Safety Grant Products
    • Toolboxes
    • Flagger
    • Certification and
      Accreditation
  • Work Zone Devices
  • Laws, Standards & Policies
  • Public Awareness
  • About
  • Events
  • Contact
  • Search

Changeable Message Signs

Modern Solutions to Safe and Efficient Work Zone Travel

Eight-hundred fifty-seven fatalities occurred in work zones in the United States in 2020. One work zone fatality occurs for every 4 billion vehicle miles of travel and for every $112 million of … [Read more...] about Modern Solutions to Safe and Efficient Work Zone Travel

New Virginia Law Allows Roadside Workers to Use Safety Message Signs

A new Virginia law, effective July 1, 2025, will allow authorized roadside workers to equip their vehicles with portable changeable message signs (CMS) displaying warnings like “Slow Down, Move Over.” … [Read more...] about New Virginia Law Allows Roadside Workers to Use Safety Message Signs

Lane-Change Response to Infrastructure Warning About Lane Closure in a Mixed Vehicle Fleet

Fostering the safe and efficient operation of road networks that include vehicles equipped with SAE International® Level 3™ (L3) automation and a cooperative automated driving system (C-ADS) requires … [Read more...] about Lane-Change Response to Infrastructure Warning About Lane Closure in a Mixed Vehicle Fleet

Variable Speed Limits Control for Smart Work Zone With Connected Vehicles

Freeway work zones with lane closures can cause traffic disruption and congestion with increased travel time, safety risks, and emissions. Variable speed limit (VSL) control has been widely studied to … [Read more...] about Variable Speed Limits Control for Smart Work Zone With Connected Vehicles

Enhancing Work Zone Safety: A Psychological and Behavioral Analysis of Anti-Tailgating Strategies Using Dynamic Message Signs and Fixed Warning Signs

Rear-end collisions in work zones, particularly those resulting from tailgating, pose a significant safety challenge that has not been adequately addressed in road safety research. Existing studies … [Read more...] about Enhancing Work Zone Safety: A Psychological and Behavioral Analysis of Anti-Tailgating Strategies Using Dynamic Message Signs and Fixed Warning Signs

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

  • Page 1
  • Page 2
  • Page 3
  • Interim pages omitted …
  • Page 48
  • Go to Next Page »

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