Important! We are not a permit service. We do not arrange permits for carriers. The following is for informational purposes only. Always read your permits and provisions sheets carefully. We cannot guarantee the accuracy of the information provided.
New Hampshire DOT Phone Number
603-271-2691
Permits
New Hampshire oversize permits are valid for five travel days. Must have permit prior to entering the state.
Operating Time
One-half hour before sunrise to one-half hour after sunset, Monday through Friday. No weekend or holiday travel for overdimensional loads. Overweight only are not restricted for travel time.
Restricted Travel
[Detailed restricted travel information]
Legal Dimensions
Length: [Detailed length information]
Width: 8′-6″
Height: 13′-6″
Weight: 80,000 Gross
Single – 20,000 designated highways* (22,400 other roads)
Tandem – 34,000 designated highways* (36,000 other roads)
Tridem – Same as tandem
Routine Permit Limits
Length: 110′
Width: 16′
Height: 16′
Weight:
Single – 25,000
Tandem – 50,000
Tridem – 70,000
Quad – 85,000
Escorts
Length: [Detailed length escort information]
Overhang: [Detailed overhang escort information]
Width: [Detailed width escort information]
Height: Route survey may be required for over 13′-6″ high, escort not usually required for height.
Signs, Flags & Lights
[Detailed signs, flags and lights information]
Seasonal Load Restrictions
During spring thaw, weights may be limited to 20,000 gross axle weight or less.