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.

  • Alcohol Impaired Driving

    Penalties

    Increased Penalty for High BAC Administrative License Suspension on First Offense Limited Driving Privileges During Suspension Vehicle and License Plate Sanctions
    .16 6 months    

    Ignition Interlocks

    Mandatory for high BAC convictions

    Other

    Open Container Laws Repeat Offender Laws Alcohol Exclusion Laws Limiting Treatment
    Yes Yes Yes

     

  • Bicyclists and Pedestrians

    Bicycle helmets required for all riders under 16.

  • Child Passenger Safety

    Child Restraint Required

    Under 7 yrs and 57" or shorter

    Adult Safety Belt Permissible

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

    Maximum Fine for 1st Offense

    $50

  • Distracted Driving

    Hand-Held Ban?

    Yes. Primary law.

    All Cell Phone Ban?

    School Bus Drivers

    No

    Novice Drivers

    Drivers under 18. Primary law.

    Text Messaging Ban?

    All drivers. Primary law.

  • Drug Impaired Driving

    DUID Zero Tolerance or Per se Laws for Some Drugs

    • None

    Marijuana-Specific Laws

    • Possession and Use: Legal for medical use
    • Impaired Driving: None
  • Mature Drivers

    Length of Regular Renewal Cycle

    5 years

    Provisions for Mature Drivers

    75 and over: road test required

  • Motorcyclists

    No helmet laws.

  • Seat Belts

    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.

  • Sobriety Checkpoints

    Checkpoints are conducted weekly (weather permitting). Their legality is authorized by statute, and must be judicially approved.

  • Speed and Red Light Cameras

    Speed Cameras

    Prohibited


    Red Light Cameras

    Prohibited


    Toll Cameras

    Permitted

  • Speeding and Aggressive Driving

    Rural Interstates

    Cars (MPH) Trucks (MPH)
    65; 70 on specified segments 65; 70 on specified segments

    Urban Interstates

    Cars (MPH) Trucks (MPH)
    65 65

    Other Limited Access Roads

    Cars (MPH) Trucks (MPH)
    55 55
  • Teen and Novice Drivers

    Full Privilege Minimum Age

    Nighttime driving: 17 years, 1 month

    Driving with passengers: 16 years, 6 months

    Learner Stage

    Minimum Age (Years/Months)

    Minimum Duration (Months)

    Required Supervised Driving Hours (Night Hours)

    15 / 6 None 40 (10)

    Intermediate Stage

    Minimum Age (Years/Months)

    Nighttime Driving Restriction

    Passenger Restriction (except family, unless noted)

    16 1 a.m. - 4 a.m. First 6 months: no more than 1 under 25
  • Work Zones

    Violations Affected

    Speeding

    Enhanced Penalties

    $250-$500

    Workers Must Be Present?

    Yes

    Signs Must Be Present?

    Yes