New Hampshire

GHSA maintains data on state laws surrounding a number of highway safety issues. Below is information regarding laws in the state of New Hampshire. For more information, consult the State Highway Safety Office.

New Hampshire
Type of Law

New Hampshire has enacted neither a primary nor a secondary seat belt law for adults, although the state does have a primary child passenger safety law that covers all drivers and passengers under 18.

New Hampshire
Who is Covered?

n/a

New Hampshire
In What Seat?

n/a

New Hampshire
Bike helmets required?

Bicycle helmets required for all riders under 16.

New Hampshire
Motorcycle Helmet Required?

No helmet laws.

New Hampshire
Length of Regular Renewal Cycle

5 years

New Hampshire
Provisions for Mature Drivers

75 and over: road test required

New Hampshire
DUID Zero Tolerance or Per se Laws for Some Drugs

None

New Hampshire
Marijuana Possession and Use

Decriminalized and legal for medical use

New Hampshire
Marijuana Impaired Driving

None

New Hampshire
Rural Interstates: Cars (MPH)

65 (70 on specified segments)

New Hampshire
Rural Interstates: Trucks (MPH)

65 (70 on specified segments)

New Hampshire
Urban Interstates: Cars (MPH)

65 (70 on specified segments)

New Hampshire
Urban Interstates: Trucks (MPH)

65 (70 on specified segments)

New Hampshire
Other Limited Access Roads: Cars (MPH)

55 (70 on specified segments)

New Hampshire
Other Limited Access Roads: Trucks (MPH)

55 (70 on specified segments)

New Hampshire
Increased penalty for high BAC

0.16

New Hampshire
Administrative license suspension on first offense

6 months

New Hampshire
Limited driving privileges during suspension

None

New Hampshire
Ignition Interlocks

Mandatory for all convictions

New Hampshire
Open container laws

Yes

New Hampshire
Repeat Offender Laws

Yes

New Hampshire
Child Restraint Required

Under 7 yrs and 57" or shorter

New Hampshire
Adult Safety Belt Permissible

7-17 yrs (or under 7 yrs and 57" or taller)

New Hampshire
Full Privilege Minimum Age

Nighttime driving: 17 years, 1 month Driving with passengers: 16 years, 6 months

New Hampshire
Learner Stage: Minimum Age (Years/Months)

15 / 6

New Hampshire
Learner Stage: Minimum Duration (Months)

None

New Hampshire
Learner Stage: Supervised Driving Hours (Night Hours in Parenthesis)

40 (10)

New Hampshire
Intermediate Stage: Minimum Age (Years/Months)

16

New Hampshire
Intermediate Stage: Nighttime Driving Restriction

1 a.m. - 4 a.m.

New Hampshire
Intermediate Stage: Passenger Restrictions (Except Family, Unless Noted)

First 6 months: no more than 1 under 25

New Hampshire
Text Messaging Ban?

All drivers. Primary law.

New Hampshire
Hand-Held Ban?

Yes. Primary law.

New Hampshire
All Cell Phone Ban? School Bus Drivers

No

New Hampshire
All Cell Phone Ban? Novice Drivers

Drivers under 18. Primary law.

New Hampshire
Speed Cameras: State Law

Prohibited

New Hampshire
Speed Cameras: Where Permitted

n/a

New Hampshire
Red Light Cameras: State Law

Prohibited

New Hampshire
Red Light Cameras: Where Permitted

n/a

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