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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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Colorado

Work zone speed limit

In Colorado, prior to the implementation of a speed reduction, the project engineer/manager is responsible for completing the Authorization and Declaration of Temporary Speed Limits form (CDOT Form … [Read more...] about Work zone speed limit

Slow for the Cone Zone

To increase awareness about work zone safety, Colorado Department of Transportation has developed a work zone logo, radio and television public service announcements and a work zone poster. All of … [Read more...] about Slow for the Cone Zone

Chill: Changing the Way We Drive

This statewide campaign targets aggressive driving behavior on streets and highways, construction zones, and also targets seat belt enforcement. The campaign includes 52 police departments and the … [Read more...] about Chill: Changing the Way We Drive

Center lane closure

Colorado uses a slightly modified version of MUTCD TA-38 (see the web site below). … [Read more...] about Center lane closure

Measuring work zone performance

Colorado is in early implementation stages of the new Work Zone Safety & Mobility Rule, so the state has yet to develop work zone performance measures across the board. However, the state does have … [Read more...] about Measuring work zone performance

Removing temporary traffic control devices with the flow of traffic vs. backing the work vehicle behind to remove the d

Colorado picks up cones against the flow of traffic, even in mobile scenarios. … [Read more...] about Removing temporary traffic control devices with the flow of traffic vs. backing the work vehicle behind to remove the d

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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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