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
Individual responsible for the design of traffic control plans; Involvement of consultants and associated problems
In Indiana, traffic control plans are designed by state and consultants. … [Read more...] about Individual responsible for the design of traffic control plans; Involvement of consultants and associated problems
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
Conditions for using temporary concrete barriers
In Illinois, temporary concrete barriers are used under following conditions: head-to-head traffic on interstates, interstate lane closures longer than two weeks, or two-lane roadways and bridges with … [Read more...] about Conditions for using temporary concrete barriers
Flashing lights on speed limit signs
Illinois DOT uses flashing lights on speed limit signs. This is part of special provisions with penalties to contractors that fail to use. (However, penalties have not been enforced.) Speed limit is … [Read more...] about Flashing lights on speed limit signs
Individual responsible for the design of traffic control plans; Involvement of consultants and associated problems
Traffic control plans are designed by state/consultants and reviewed by District Traffic Control Supervisor. There have been problems with the involvement of consultants. … [Read more...] about Individual responsible for the design of traffic control plans; Involvement of consultants and associated problems