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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

Conditions for using temporary concrete barriers

In Minnesota, temporary concrete barriers are used under following conditions: roadway cuts, where driving public is endangered (also bridge jobs), or where workers are endangered. … [Read more...] about Conditions for using temporary concrete barriers

Requirement for using channelizing devices (e.g. cones) to separate traffic from the work area for a work operation

Minnesota DOT requires the use of cones but is having a difficult time enforcing compliance. Because of high volumes of trucks (250 to 300 a day in many cases) contractors and their field inspectors … [Read more...] about Requirement for using channelizing devices (e.g. cones) to separate traffic from the work area for a work operation

Worksite traffic supervisor requirement and certification

Minnesota requires worksite traffic supervisors by contract on major jobs. Certification is required. … [Read more...] about Worksite traffic supervisor requirement and certification

Changing light bulbs on overhead signs

Minnesota DOT does not have a departmental policy regarding maintenance work over moving traffic. However, MnDOT's normal practice is not to allow any overhead work by department personnel with … [Read more...] about Changing light bulbs on overhead signs

Nighttime work restrictions and conditions

Some states have found an increase in the amount of work that must be done at night. Minnesota DOT made a commitment to improve the safety of construction work zones by implementing a team to make … [Read more...] about Nighttime work restrictions and conditions

Center lane closure

The first alternative Minnesota DOT would explore when projects require center lane closure would be to completely close the roadway over the weekend(s) or other non-peak times when a total closure … [Read more...] about Center lane closure

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Copyright © 2023 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