Idaho Driving & Vehicles Laws (2026)

A comprehensive legal reference for driving & vehicles in the state of Idaho. This guide covers current statutes, penalties, and restrictions for 8 different categories.

Idaho law does not prohibit driving barefoot. There are no statutes in the Idaho Code that regulate footwear while operating a motor vehicle.

State Law

None

Practical Considerations

None

Penalties

N/A

Idaho law does not allow lane splitting. Idaho Code §49-720 prohibits motorcycles from riding between lanes of traffic except when overtaking another vehicle in the same lane.

Lane Splitting Rules

No specific rules related to lane splitting possession.

Lane Filtering Rules

No specific rules related to lane splitting sale or purchase.

Penalties

Violations are treated as moving violations with fines and possible points on the driver's license.

License Requirements

None

License plate covers are restricted in Idaho. Beginning July 1, 2026, Idaho will no longer require annual registration stickers on license plates.

Usage Rules

Clear covers may be legal; tinted/smoked covers illegal

Purchase & Sale

Legal to sell clear covers

Penalties

Traffic citation and fines for obscured plates.

Age Restriction

N/A

Radar Detectors are legal in Idaho. Idaho Code does not prohibit radar detectors in passenger vehicles, though commercial vehicles have restrictions.

Passenger Vehicle Use

Legal for private passenger vehicles; prohibited in commercial vehicles over 10,000 pounds.

Commercial Vehicle Rules

No restrictions on sale or purchase.

Penalties

N/A for private vehicles; fines may apply for commercial vehicle violations.

Age Restriction

None

Radar jammers are federally illegal in all states including Idaho under FCC regulations. There have been no recent legislative changes in Idaho regarding laser jammers.

State Law

Radar jammers: federally illegal. Laser jammers: legal

Federal Law

Laser jammers may be sold; radar jammers illegal

Penalties

Federal penalties for radar jammers. Laser jammers are unregulated.

Age Restriction

N/A

Right turn on red is legal in Idaho after coming to a complete stop and yielding to pedestrians and cross traffic, unless a sign prohibits it at a specific intersection. No significant changes to the right-turn-on-red law for vehicles have been reported in 2023-2024.

General Rule

Legal after complete stop

Exceptions & Restrictions

N/A

Penalties

Traffic violation if sign prohibits it at specific intersection.

Driver Requirements

N/A

Studded Snow Tires are legal in Idaho. The law was amended in 2015 to allow for retractable studs, a significant change reflecting new technology.

Usage Rules

Legal during winter season only

Seasonal Restrictions

Legal

Penalties

Fines for use outside the permitted season.

Age Restriction

N/A

Window Tinting

RESTRICTED

Idaho law requires front side windows to allow at least 35% of light in, while rear side and back windows may have any darkness. Windshield tinting is only allowed above the AS-1 line. These rules are found in Idaho Code § 49-936.

Tint Limits (VLT %)

Vehicles must comply with tint limits when operated; possession of illegal tint film is not specifically prohibited.

Medical Exemptions

Sale of non-compliant tint films is not explicitly regulated but tint installers must follow state law.

Penalties

Violations can result in fines and orders to remove illegal tint.

Age Restriction

None