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
Maine
Work zone lighting
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