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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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Equipment

Flagging Instruction Handbook

This handbook covers the following topics: Flagger Basics; Flagger Stations; Flagging Equipment; FLAGGER PROCEDURES; and Urgent Situations. … [Read more...] about Flagging Instruction Handbook

Truck-Mounted Attenuator (TMA) requirement

WSDOT does not require the use of TMAs but they are highly recommended for many work operations. For WSDOT construction projects TMAs are routinely included as a per each bid item in the contract. If … [Read more...] about Truck-Mounted Attenuator (TMA) requirement

Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)

Illinois requires that work zone lane closures be set up in the direction of traffic flow. Vehicles used in this process may work out of the closed lane. Work zone take-down is done in the reverse … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)

Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)

Michigan does not require the work vehicle to have a TMA. It does not require truck-mounted attenuators (TMAs) or a shadow vehicle to be used when setting up a lane closure. In its TMA guidelines, … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)

Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)

Virginia requires the use of a shadow vehicle when installing and removing lane closure traffic control. When the posted speed limit is 45 mph or greater on roadways with four or more travel lanes, … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)

Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)

Minnesota DOT does not require the use of truck-mounted attenuator (TMA) equipped vehicles for the installation of temporary traffic control devices. However, Mn/DOT sometimes uses mobile lane … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)

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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