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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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Missouri

Changing light bulbs on overhead signs

Missouri DOT's policy is that when working over traffic from a man-lift or bucket type truck, the operator will position the bucket so any material/equipment dropped will fall within the basket. When … [Read more...] about Changing light bulbs on overhead signs

Center lane closure

If capacity is not an issue, refer to EPG 616.8.37 (TA-37) Lane Closure of Interior Lane on Multi-Lane Highways. When capacity is an issue, refer to EPG 616.8.38 (TA-38) Lane Closure of Interior Lane … [Read more...] about Center lane closure

Design and oversight of work zone operations

District project development (i.e., design) staff prepare TTC plans for the projects, and district Construction & Materials (i.e., inspectors) oversee deployment and operation of the measures in the … [Read more...] about Design and oversight of work zone operations

Flagger training and certification requirements

From Missouri Department of Transportation Standard Specifications for Highway Construction: "616.4.3 Each flagger, automated flagger assistance devices (AFAD) operator, portable signal flagging … [Read more...] about Flagger training and certification requirements

Lane lines in work zones

For standard applications, Missouri DOT's typical lane line width is 4 inches.Although MoDOT has tried 6 inch lane lines, there are no guidelines for the use of these lines at this time.MoDOT uses 4 … [Read more...] about Lane lines in work zones

Work zone use of steel plates

MoDOT does not have any specific guidance on the use/placement of steel plates; but they do have the following guidance on signing for them: From MoDOT Engineering Policy Guide, 616.6.46 STEEL … [Read more...] about Work zone use of steel plates

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