Idaho

Highway safety laws differ from state to state. The summary information here can be used to compare laws in specific categories. We monitor legislative changes and update this information as needed.

RESTRICTIONS ON CELLPHONE USE AND TEXTING
Hand-held ban no
Young drivers all cellphone ban no
Texting ban all drivers
Enforcement primary
MAXIMUM POSTED SPEED LIMITS
Rural interstates (mph) 75; 80 on specified segments of road1 (effective July 1, 2014) (effective 07/01/14)
Urban interstates (mph) 75; 80 on specified segments of road1 (effective July 1, 2014) (effective 07/01/14)
Other limited access roads (mph) 70 (effective July 1, 2014)
Other roads (mph) 70 (effective July 1, 2014) (effective 07/01/14)
MAXIMUM POSTED SPEED LIMITS FOR TRUCKS
Rural interstates (mph) 70 (effective 07/01/14)
Urban interstates (mph) 65 (effective 07/01/14)
YOUNG DRIVER LICENSING SYSTEMS
To get a learners license you must:
Have a minimum age of 14, 6 months2
YOUNG DRIVER LICENSING SYSTEMS
Before getting a license or restricted license you must:
Have a mandatory holding period of 6 months
Have a minimum supervised driving time of 50 hours, 10 of which must be at night
Have a minimum age of 152
YOUNG DRIVER LICENSING SYSTEMS
Restrictions during intermediate or restricted license stage:
Nighttime restrictions sunset to sunrise; duration: until age 16
Passenger restrictions

(family members excepted unless otherwise noted)
licensees younger than 17 may have no more than 1 passenger younger than 17; duration: 6 months
YOUNG DRIVER LICENSING SYSTEMS
Minimum age at which restrictions may be lifted:
Nighttime restrictions 16
Passenger restrictions 15, 6 months
REGULAR LICENSING RENEWAL CYCLE
Length of regular renewal cycle 4 years
OLDER DRIVER SPECIAL LICENSING PROVISIONS
Accelerated renewal drivers ages 21-62 have the choice of a 4- or 8-year license; drivers 63 and older will receive a 4-year license
Other provisions none
CHILD RESTRAINTS
Must be in child restraint 6 years and younger
Adult safety belt permissible not permissible
Maximum fine 1st offense $79
Seating preference law states no preference for rear seat
Children not covered all children covered
SAFETY BELT USE
Initial effective date 07/01/86
Standard enforcement? no
Who is covered? In what seats? 7+ years in all seats
Maximum fine 1st offense $10
Can nonuse decrease monetary awards for injuries in lawsuits? no
MOTORCYCLE HELMET USE
Motorcyclists covered 17 and younger
BICYCLE HELMET USE
Covered by state law no law
PICKUP TRUCKS: RESTRICTIONS ON RIDING IN CARGO AREAS
Restrictions on riding in cargo areas no state law
Gaps in coverage no state law
LOW-SPEED VEHICLES
On which roads are low-speed vehicles permitted? roads with a posted speed limit of 35 mph or less
What is the top speed permissible for low-speed vehicles? 25 mph
MINITRUCKS
Initial effective date 01/01/09
Where permitted local option
Speed restrictions no
Vehicle classification under state law utility type vehicle (UTV)

1In Idaho, the speed limit may be increased to 80 mph on specific segments of highway on the basis of an engineering and traffic investigation.

2In Idaho, license applicants younger than 17 must have completed driver education. There are three classes of learner's permits — a training instruction permit for people 14, 6 months taking driver education; a supervised instruction permit for practice driving with a nonprofessional supervisor; and an instruction permit for people younger than 17 who have completed driver education and supervised driving or for people 17 and older without either driver education or supervised driving.