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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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Crash Modification Factors

Inferring Heterogeneous Treatment Effects of Work Zones on Crashes

The increasing number of work zone crashes has been a significant concern for road users, transportation agencies, and researchers. Crashes can be caused by work zones, and this effect changes across … [Read more...] about Inferring Heterogeneous Treatment Effects of Work Zones on Crashes

Data-Driven Approaches to Improve Work Zone Safety

This document provides an overview of various decision-support tools that have been developed to aid transportation professionals in planning and evaluation activities related to work zone safety. … [Read more...] about Data-Driven Approaches to Improve Work Zone Safety

Development and Application of Crash Modification Factors

Improvement of work zone safety is a significant challenge for engineering practitioners. One tool that can be used to improve work zone safety involves the use of work zone Crash Modification Factors … [Read more...] about Development and Application of Crash Modification Factors

Development and Application of Work Zone Crash Modification Factors (2nd Ed.)

This report introduces practitioners to the procedure for evaluating work zone countermeasures using existing Crash Modification Factors (CMFs) and the procedures for developing new work zone CMFs. … [Read more...] about Development and Application of Work Zone Crash Modification Factors (2nd Ed.)

Development of Work Zone Crash Modification Factors (CMFs)

The University of Missouri (MU) hosted the webinar on the development of work zone crash modification factors (CMFs). This webinar presents material developed by Praveen Edara, Henry Brown, and Carlos … [Read more...] about Development of Work Zone Crash Modification Factors (CMFs)

Quick Reference Guide for Work Zone Crash Modification Factors

This quick reference guide provides a table summarizing the values for Crash Modification Factors (CMFs) for various work zone countermeasures. The guide also includes two step-by-step examples to … [Read more...] about Quick Reference Guide for Work Zone Crash Modification Factors

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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
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