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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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Minnesota

Vehicle Safety Lights

Minnesota DOT has a warning light standard for its fleet and for contractor vehicles inside workzones: MnDOT will only recognize LED lights that meet the California Title 13 standards and MUST be on … [Read more...] about Vehicle Safety Lights

Permit requirements to install/erect temporary traffic control warning signs and other temporary traffic control devices along roadways

Minnesota has a field manual, Temporary Traffic Control Zone Layouts, that is part of the Minnesota MUTCD and applicable to all agencies performing work on any street or highway in Minnesota. Permits … [Read more...] about Permit requirements to install/erect temporary traffic control warning signs and other temporary traffic control devices along roadways

Penalty for failing to promptly open lanes beyond the lane closure limit

Minnesota DOT has a standard charge of $500.00 per hour penalty when a contractor fails to remove temporary lane closure restrictions outside the permitted hours. This is a uniform charge and is not … [Read more...] about Penalty for failing to promptly open lanes beyond the lane closure limit

Flagger training and certification requirements

From Minnesota Department of Transportation Special Provisions for all trunk highway construction projects: "I Flagging Operations I.1          Flaggers and Pilot Drivers must attend a training … [Read more...] about Flagger training and certification requirements

Design and oversight of work zone operations

Responsibilities for temporary traffic control (TTC) are covered in the Traffic Engineering Manual, which can be found at (http://www.dot.state.mn.us/trafficeng/publ/tem/index.html). Generally, the … [Read more...] about Design and oversight of work zone operations

Litter and debris removal procedure

Minnesota follows the same procedure as Maryland's. The only exception is that Minnesota does not send STS people into the roadway. The state's own maintenance workers clear the debris from the … [Read more...] about Litter and debris removal procedure

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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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