Maine DOT Standard Specifications, Section 652.6: Night Work: When work is scheduled during the hours of dusk or darkness, the contractor shall provide and maintain lighting on all equipment and at … [Read more...] about Work zone lighting
Changing light bulbs on overhead signs
Maine DOT does not use lighted overhead signing. They would close a lane to do maintenance on the overhead signs themselves, but perhaps that would normally be a longer-term closure than would be … [Read more...] about Changing light bulbs on overhead signs
Center lane closure
Hawaii DOT has used center lane closure on low-speed roadways, but does not recommend it on high-speed facilities. The cones or delineators situated between the two lanes at the beginning and end of … [Read more...] about Center lane closure
Center lane closure
Illinois typically uses Design Standards 701400 and 701446 to divert three lanes of traffic into one. If there is not a time of day when traffic volumes would allow a single lane open, the shoulder … [Read more...] about Center lane closure
Center lane closure
Ohio DOT would use a two-lane shift operation for long-term construction, removing conflicting pavement markings and placing temporary pavement markings. For a short-term paving operation, ODOT would … [Read more...] about Center lane closure
Center lane closure
Vermont has no multi-lane freeways or arterials. I agree with Hawaii's concern about the cone-line between the two travel lanes. … [Read more...] about Center lane closure