Travel times that the New Hampshire DOT permits:
- The movement of over-dimensional loads shall be restricted to daylight hours, one-half hour before sunrise and one-half hour after sunset.
- Permits are void during slippery pavement conditions or inclement weather (e.g., fog, haze, heavy rain, freezing rain, and snow), creating hazardous driving conditions.
- Permits are also void during weekends and the following holidays: New Year’s Day, Martin Luther King Civil Rights Day, Washington’s Birthday, Memorial Day, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving Day, and Christmas Day.
- If a holiday falls on a Sunday, the following Monday shall also be restricted as a holiday.
- If a holiday falls on a Saturday, the previous Friday shall be restricted as a holiday. The permit supervisor shall further restrict the movement of overweight vehicles as traffic volumes or highway conditions warrant such action in the interest of public safety. Although subject to permit requirements, vehicles that are overweight only and operated at normal traffic speeds shall not be restricted to the time of movement.
NOTE: Travel through Manchester is restricted from 7 AM to 9 AM and 3:00 AM to 6:00 PM. Toll road requirements are the same as those for other highways.