New Hampshire posts 70 mph on I-93 from mile marker 45 north to the Vermont border, while the rest of its interstates carry 65 mph and rural two-lane roads default to 55 mph.
New Hampshire speed limits at a glance
| Road type | Limit |
|---|---|
| Cities, towns, business districts | 30 mph (48 kph) |
| Residential / school zones | 30 mph (48 kph) |
| Rural highways | 55 mph (89 kph) |
| Interstates / freeways | 65-70 |
About speed limits in New Hampshire
New Hampshire raised its top limit to 70 mph in 2014, but only on one corridor: Interstate 93 from mile marker 45 near Canterbury north through Franconia Notch country to the Vermont border. Every other interstate mile, including I-89, I-95 along the Seacoast and southern I-93 through Manchester, remains at 65 mph. Under RSA 265:60 the statutory defaults are 30 mph in business or urban residential districts, 35 mph in rural residential districts and 55 mph in all other locations unless a different limit is posted.
The Live Free or Die state pairs light-touch regulation with an old-fashioned enforcement model. New Hampshire law effectively prohibits automated highway surveillance for ticketing, so there are no speed or red-light cameras, and it remains the only state with no adult seat-belt law. Speeding, however, is still enforced the traditional way by State Police cruisers.
In town, the 30 mph business and urban residential default governs most local streets, with 35 mph in rural residential areas. School zones are typically posted 10 mph below the normal limit during arrival and dismissal periods, and resort towns in the White Mountains post seasonal reductions where pedestrian traffic is heavy.
There has been no serious move to legalize camera enforcement, and the 70 mph zone has not been extended since it was made permanent. Fines are doubled in work zones, and drivers ticketed at 100 mph or more face license suspension in addition to the fine, a provision the state applies with little sympathy.
Enforcement
New Hampshire relies entirely on State Police and local patrols using radar and laser; automated ticketing cameras are barred by state law. Troopers work I-93 and I-95 heavily on summer and ski weekends when out-of-state traffic surges.
Tolerance
Traffic typically runs 5 to 9 mph over on the interstates and troopers usually reserve stops for double-digit overages, but the basic rule lets an officer cite any speed unreasonable for conditions, especially in winter.
Speeding fines in New Hampshire
Fines follow a published DMV schedule that starts around 62 dollars for a few mph over and climbs to roughly 496 dollars for 25 mph or more over the limit, with all amounts doubled in work zones. Driving 100 mph or more brings a mandatory license revocation period on top of the fine.
Frequently asked questions
What is the maximum speed limit in New Hampshire?
70 mph, but only on I-93 from mile marker 45 near Canterbury north to the Vermont border. All other interstate and turnpike sections, including I-89 and I-95, are posted at 65 mph.
Why is only part of I-93 posted at 70 mph in New Hampshire?
A 2014 law raised the limit solely on the lightly traveled northern half of I-93 after a trial period showed no safety decline. Lawmakers left the busier southern corridor through Manchester and Concord at 65 mph, and the zone has not been extended since.
What is the residential speed limit in New Hampshire?
The statutory default is 30 mph in business and urban residential districts and 35 mph in rural residential districts unless otherwise posted. School zones drop about 10 mph below the normal limit when children are present.
Does New Hampshire use speed cameras?
No. New Hampshire law bars automated enforcement cameras, consistent with its Live Free or Die privacy tradition, so there are no speed or red-light cameras anywhere in the state. All tickets come from officers making traffic stops.
Speed limits in nearby states
- Massachusetts speed limit — interstate, rural highway, and city limits.
- Maine speed limit — interstate, rural highway, and city limits.
- Vermont speed limit — interstate, rural highway, and city limits.
Related tools
- Convert MPH to KPH — convert any speed reading between units.
- Car speed test — verify your speedometer accuracy.
- Live GPS speedometer — see your actual speed in the browser.
- Stopping distance calculator — how far you need to brake from each speed.
- US speed limits overview — federal background and national patterns.