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New Hampshire
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Alerts
No major alerts at this time.
Construction/Conditions 
866-282-7579
Federal Highway Admin
603-228-0417
Cell Emergency Number
911
Time Zone
Eastern
Speed Limits
Rural Interstates Cars: 65, Trucks: 65
Urban Interstates Cars: 65, Trucks: 65
Other Roads Cars: 55, Trucks: 55
Urban Interstates Cars: 65, Trucks: 65
Other Roads Cars: 55, Trucks: 55
Work Zone Special Limits
Speeding, $250-$500, Workers Must Be Present, Signs Must Be Present
Rest Area Overnight Parking
Parking up to 4 hours
State Handheld Device Ban
under distracted driving law
State Texting Ban Laws
Yes
Seat Belt Laws
<18 in All Seats
Sobriety Checkpoints
Yes, Weekly, weather permitting, Authorized by statute (must be judicially approved)
High Blood Alcohol Content
0.16
Open Container Law
Yes
Motorcycle Helmet Laws
no law
Bicycle Helmet Laws
under 16
Gun Law Simple Summary
Guns must be unloaded and inaccessible, unless carry permit issued from state
Shoot First/Stand Ground Law
Yes - Law permits deadly force in public places with no duty to retreat
Radar Detectors
Legal
Diesel Tax (State and Federal)
0.44
Truck Access Policies
1 mi
on state highways. 53' trailers may travel on authorized routes. Prior approval is needed for city or town streets and roads.
on state highways. 53' trailers may travel on authorized routes. Prior approval is needed for city or town streets and roads.
Triple Towing
No
Tow Brake Laws Towing
Must be able to stop in 30 feet at 20 mph.
See Restricted Routes See Hazmat Routes See Idling Laws
