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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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Probe Vehicles

A Comparative Analysis of Probe Data Sources for Provision of Work Zone Congestion Information to the Public

With the rise in highway maintenance demands, work zones have proliferated across the United States, posing traffic and safety challenges. Dissemination of work zone information to the public is … [Read more...] about A Comparative Analysis of Probe Data Sources for Provision of Work Zone Congestion Information to the Public

Characterizing Interstate Crash Rates Based on Traffic Congestion Using Probe Vehicle Data

Crash reduction factors are widely used by engineers for prioritizing safety investments. Work zones are routinely analyzed by the length and duration of queues. Queue detection warning technology has … [Read more...] about Characterizing Interstate Crash Rates Based on Traffic Congestion Using Probe Vehicle Data

Measuring Work Zone Mobility Performance Using the National Performance Management Research Data Set (NPMRDS) – Case Study: Application to the Texas Department of Transportation GO I-10 Project

FHWA is engaging with State Departments of Transportation (DOTs) and conducting research to understand work zone mobility performance measurement best practices, challenges, and opportunities. The … [Read more...] about Measuring Work Zone Mobility Performance Using the National Performance Management Research Data Set (NPMRDS) – Case Study: Application to the Texas Department of Transportation GO I-10 Project

RITIS: A Probe-Data Source for Enhancing Operations and Planning Capabilities

The Regional Integrated Transportation Information System (RITIS) is an automated fusion and archiving system of real-time traffic, incident, and weather data obtained from agencies and communicated … [Read more...] about RITIS: A Probe-Data Source for Enhancing Operations and Planning Capabilities

Identification and Characterization of Mobile Work Zones Using Floating Car Data

This paper describes a methodology for the identifying active mobile roadworks zones based on detecting the forward forming shockwave associated with the congestion front with the use of vehicle probe … [Read more...] about Identification and Characterization of Mobile Work Zones Using Floating Car Data

Agile Work Zone Management Based on Probe Traffic Data

Peak period lane closures can result in significant queueing on major interstates. As a result, many state agencies have a lane closure policy in place based upon historical time of day and day of … [Read more...] about Agile Work Zone Management Based on Probe Traffic Data

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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