Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)

In New Hampshire, “no lane closures before 9 a.m. or after 3 p.m.” means that traffic must not be affected outside those times. For example, if the road has 2 lanes in each direction, then 2 lanes in each direction must be provided right up to 9 a.m. and begin again at 3 p.m. unless otherwise approved by the engineer. The methodology of setting up the lane closure is between the contractor and the state’s contract administrator. The time frames of “no lane closures” are generally determined by reviewing the 24/7 counts and determining when unacceptable backups would result.