Michigan DOT's current practice is to delineate the temporary concrete barrier (TCB) with barrier markers placed at 6m max spacing at a height of 460 + 25mm from the bottom of the barrier marker to … [Read more...] about Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices
Michigan
Lights allowed/required on drums; LED lights allowed
In Michigan, lights are required on drums for night work. LED lights are allowed. … [Read more...] about Lights allowed/required on drums; LED lights allowed
“Give ’em a Brake”
Give 'em a Brake is a work zone safety awareness coalition representing union road workers, law enforcement, road builders and transportation interests dedicated to urging motorists to slow down to … [Read more...] about “Give ’em a Brake”
Conditions for using temporary concrete barriers
In Michigan, temporary concrete barriers are used under the following conditions: separate two-way, two-lane operation on freeway; partial-width bridge construction on any roadway; and others on a … [Read more...] about Conditions for using temporary concrete barriers
Changing light bulbs on overhead signs
Michigan does not have any lights on overhead signs. Work performed on overhead signs requires that the lane be closed. They require each employee working at a level 6 feet or more above a lower … [Read more...] about Changing light bulbs on overhead signs
Individual responsible for the design of traffic control plans; Involvement of consultants and associated problems
Michigan DOT personnel, local agency personnel, and consultants are involved in the design of traffic control plans. Staff with limited traffic control design experience do not always recognize or … [Read more...] about Individual responsible for the design of traffic control plans; Involvement of consultants and associated problems