• 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

Urban Highways

Traffic Flow Forecasting for Urban Work Zones

None of numerous existing traffic flow forecasting models focus on work zones. Work zone events create conditions that are different from both normal operating conditions and incident conditions. In … [Read more...] about Traffic Flow Forecasting for Urban Work Zones

Driver Responses to Differing Urban Work Zone Configurations

This study reports the results of a simulator-based assessment of driver response to two different urban highway work zone configurations. One configuration represented an existing design which was … [Read more...] about Driver Responses to Differing Urban Work Zone Configurations

Path Guidance Information in Advance of Work Zones at Urban Freeway Interchanges

Work activities at complex urban freeway interchanges often result in modified lane assignments and the temporary misalignment of existing overhead guide signs with the travel lanes. Thus, researchers … [Read more...] about Path Guidance Information in Advance of Work Zones at Urban Freeway Interchanges

Introduction to Highway Work Zones in Urban Areas

This two-day course will introduce participants to temporary traffic control (TTC) in urban work zones. It is designed to give participants a complete overview of temporary traffic control in urban … [Read more...] about Introduction to Highway Work Zones in Urban Areas

Freeway Work Zone Lane Capacity

The focus of this report is a capacity analysis of two long-term urban freeway Work Zones. Work Zone #1 tapered four mainline lanes to two, using two separate tapers; Work Zone #2 tapered two mainline … [Read more...] about Freeway Work Zone Lane Capacity

Improved Temporary Traffic Control Guidelines for Urban Freeway Interchanges

Evidence exists to suggest that drivers often have difficulty in navigating through work zones that occur within the vicinity of complex urban freeway interchanges. The numerous existing guide signs, … [Read more...] about Improved Temporary Traffic Control Guidelines for Urban Freeway Interchanges

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 3
  • Page 4
  • Page 5
  • Page 6
  • Page 7
  • Interim pages omitted …
  • Page 13
  • Go to Next Page »

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