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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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Wyoming

Warning lights on channelizing devices

Wyoming has minimized the use of warning lights on drums, barricades, and temporary signs. They have not been used to any great extent for several years. Maintenance of the devices was very poor, and … [Read more...] about Warning lights on channelizing devices

State rules or regulations that require 24 hour maintenance of temporary traffic warning devices along highway work zones

Some Wyoming contracts require 24-hour traffic control maintenance. Contracts do this on a case-by-case basis when deemed necessary. Additional maintenance is paid as per the "Supplementary … [Read more...] about State rules or regulations that require 24 hour maintenance of temporary traffic warning devices along highway work zones

Placement of G20-1 signs

Wyoming tries to place G20-1 signs in a location where no other signs will be in front of it. Occasionally a short-term operation may have signs such as the W20-1 in advance of the G20-1, but it is … [Read more...] about Placement of G20-1 signs

Flagger training and certification requirements

From Wyoming Department of Transportation (WYDOT) Standard Specifications for Road and Bridge Construction: "703.4.6 Flagging Use flaggers that have completed and passed a flagger training program … [Read more...] about Flagger training and certification requirements

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

Wyoming approves all requests for temporary traffic control devices installed by private businesses. If temporary traffic control is part of a work operation, then it is approved as part of the … [Read more...] about Permit requirements to install/erect temporary traffic control warning signs and other temporary traffic control devices along roadways

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