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Below is a list of the key highway safety laws in New Hampshire. For more information, contact the New Hampshire Highway Safety Agency.

No state law

Sources: National Conference of State Legislatures (NCSL) and State Highway Safety Office.

Hand-held Ban All Cell Phone Ban Text Messaging Ban Crash
Data
School Bus Drivers Novice Drivers All Drivers School Bus Drivers Novice Drivers
Yes
(Primary)
(eff. 7/2015)
  Yes
(Primary)
Yes
(Primary)
Covered under all driver ban  

Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Office.

Child Restraint Required
unless indicated, # refers to Yrs.(Lbs.)
Adult Safety Belt Permissible
unless indicated, # refers to Yrs.(Lbs.)
Maximum Fine
1st Offense
<7 (and <57") 7 - 17 (or <7 and >57") $50

Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Office.

Per Se Laws for Drugs (Forbidding Prohibited Substances in Driver's Body) DEC/DRE Programs
(Providing Law Enforcement Training)
  Yes

Source: State Highway Safety Office.

Inc. Penalty for High BAC Admin. License Susp. on 1st Offense Limited Driving Privileges During Susp. Ignition Interlocks Vehicle and License Plate Sanctions Alcohol Exclusion Laws Limiting Treatment
*Meeting Federal Requirements
.16 6 months   Mandatory for high BAC convictions   Yes Yes Yes

Sources: Ensuring Solutions to Alcohol Problems, Insurance Institute for Highway Safety (IIHS), Mothers Against Drunk Driving (MADD), National Conference of State Legislatures (NCSL) and State Highway Safety Office.

Learner Stage Intermediate Stage Full Privilege
Min. Age
(Years/ Months)
Min. Age
(Years/ Months)
Min.
Duration
(Months)
Required
Supervised
Driving Hours
(Night Hours)
Min. Age
(Years/ Months)
Nighttime Driving Restriction Passenger
Restriction
(except family, unless noted)
15 / 6 None 40 (10) 16 1 a.m. - 4 a.m. First 6 mos.–no more than 1 <25 Night: 17 /1
Pass: 16 / 6

Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Office.

Motorcyclists Bicyclists
Universal Helmet Law (Year Enacted) Partial Law Universal Helmet Law Repealed
      <16

Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Office.

Length of Regular Renewal Cycle (Yrs.) Provisions for Mature Drivers
5 >75: road test

Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Office.

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.

Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Office.

Checkpoints Conducted? Frequency Legality
Yes Weekly, weather permitting Authorized by statute (must be judicially approved)

Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Office.

Rural Interstates Urban Interstates Other Limited Access Roads
Cars
(mph)
Trucks
(mph)
Cars
(mph)
Trucks
(mph)
Cars
(mph)
Trucks
(mph)
65; 70 on specified segments 65; 70 on specified segments 65 65 55 55

Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Office.

Violation / State Law Permitted Locations/Criteria Citation Issued To / Liability Image Taken Penalties (Traditional Penalties)
Speed: Prohibited
Red light: Prohibited
Toll: Permitted

Sources: National Conference of State Legislatures (NCSL), Insurance Institute for Highway Safety (IIHS) and State Highway Safety Office.

Violations Affected Enhanced Penalties Workers Must Be Present Signs Must Be Present
Speeding $250-$500 Yes Yes

Sources: National Work Zone Safety Information Clearinghouse and State Highway Safety Office.