Idaho

GHSA maintains data on state laws surrounding a number of highway safety issues. Below is information regarding laws in the state of Idaho. 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
    .20 90 days After 30 days

    Ignition Interlocks

    Mandatory for all convictions

    Other

    Open Container Laws Repeat Offender Laws
    Yes Yes

     

  • Child Passenger Safety

    Child Restraint Required

    Under 7 yrs

    Adult Safety Belt Permissible

    7 yrs and older

  • Distracted Driving

    Hand-Held Ban?

    Yes. Primary law.

    All Cell Phone Ban?

    School Bus Drivers

    No

    Novice Drivers

    No

    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: Illegal
    • Impaired Driving: None
  • Mature Drivers

    Length of Regular Renewal Cycle

    Choice of 4 or 8 years for drivers ages 21-62

    Provisions for Mature Drivers

    63 and over: renewal every 4 years

  • Motorcyclists

    Helmets required for all riders under 18. Universal helmet law repealed 1978.

  • Seat Belts

    Type of Law

    Secondary

    Who Is Covered?

    7 and over (primary law for drivers under 18)

    In What Seat?

    All

  • Speed and Red Light Cameras

    Speed Cameras

    No state law or programs

    Red Light Cameras

    No state law or programs

  • Speeding and Aggressive Driving

    Rural Interstates

    Cars (MPH) Trucks (MPH)
    75, 80 on specified segments 70

    Urban Interstates

    Cars (MPH) Trucks (MPH)
    75, 80 on specified segments 65

    Other Limited Access Roads

    Cars (MPH) Trucks (MPH)
    70 70
  • Teen and Novice Drivers

    Full Privilege Minimum Age

    Nighttime driving: 16

    Driving with passengers: 15 years, 6 months

    Learner Stage

    Minimum Age (Years/Months)

    Minimum Duration (Months)

    Required Supervised Driving Hours (Night Hours)
    14 / 6 6 50 (10)

    Intermediate Stage

    Minimum Age (Years/Months)

    		 Nighttime Driving Restriction

    Passenger Restriction (except family, unless noted)
    15 10 p.m. - 5 a.m. First 6 months: no more than 1 under 17