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Speed Limits
- 1/15The maximum speed allowed on rural interstates in NH is
The general speed limit on rural interstates for passenger vehicles is 65 mph, unless otherwise posted.
The speed limit in business or urban residential districts is usually
In NH, the speed limit in business and urban residential zones is typically 30 mph to protect pedestrians, cyclists, and local traffic.
The typical speed limit in school zones when children are present is
School zones in NH have a reduced limit of 20 mph and enforced during posted hours or when lights are flashing. when children are present or during posted times.
The default speed limit in a rural residential district is
Unless otherwise posted, rural residential areas have a default speed limit of 35 mph.
The speed limit in posted construction zones is usually
NH law requires drivers to reduce speed in construction zones often posted as 10 to 15 mph below normal.
You must reduce your speed when approaching a curve because
Curves may limit visibility or control, requiring slower speeds to maintain vehicle stability and safety.
The maximum speed limit for school buses on highways is
In New Hampshire, school buses may not exceed 45 mph on highways unless otherwise posted.
Speed must be adjusted during bad weather because
NH law requires that speed be reasonable and prudent based on road, traffic, and weather conditions.
The legal term for driving too slowly and obstructing traffic is
Driving unreasonably slowly and blocking normal traffic flow is prohibited under NH’s minimum speed law.
The speed limit on the interstate system through urban areas is usually
Urban interstates typically have posted limits of 55 mph, due to increased congestion and exits.
The maximum speed allowed on undivided highways is typically
For undivided two-lane highways, NH sets the maximum speed limit around 50 to 55 mph, unless posted otherwise.
When approaching a railroad crossing with no gate or signal, the safe action is to
Drivers must slow down, look both ways, and be ready to stop when nearing railroad crossings without active signals.
Driving faster than the posted limit is legal only when
It is never legal to exceed posted speed limits, even while passing unless directed by a police officer.
The required speed when passing emergency vehicles on the shoulder is
Drivers must slow down and move over when passing emergency or highway service vehicles under NH’s Move Over Law.
Speeding 25 mph or more over the posted limit results in
This is considered excessive speeding and may lead to fines, license suspension, and up to 5 license points.