Operators of commercial vehicles 10,001 pounds and over or vehicles hauling placarded hazardous materials must stop at open weigh scales.
Forty portable scale units are also used to check compliance with the legal weight limits.
Weigh scales
| Route | Location |
|---|
| I-93 NB, SB | Windham - between Exit 3 and Exit 4 |
| I-89 NB, SB | Lebanon - between Exit 18 and Exit 19 |
| US 101 EB, WB | Epping (east of Raymond) |
Ports of entry
New Hampshire maintains one port of entry on Route 3 at the United States — Quebec, Canada border.
View agency contact information.