Montana Driving & Vehicles Laws (2026)

Montana law does not forbid driving barefoot. There are no statutes or administrative rules requiring drivers to wear shoes. Driving barefoot is legal as long as the driver maintains control of the vehicle.

Montana does not permit lane splitting. Motorcycles must operate within a single lane and are prohibited from riding between lanes of traffic. No statute explicitly authorizes lane splitting, and it is considered unsafe and illegal.

License Plate Covers are legal with restrictions in Montana. No significant legislative changes since 2023, but there is a continued emphasis on ensuring that plates are not obstructed.

Radar detectors are legal in Montana for private passenger vehicles. Montana law does not restrict possession or use of radar detectors in non-commercial vehicles.

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

Right turn on red is legal in Montana after coming to a complete stop and yielding to pedestrians and cross traffic, unless a sign prohibits it at a specific intersection. Montana law permits a right turn on a red light after a complete stop, unless a sign specifically prohibits it.

Studded Snow Tires are legal in Montana. There have been no significant recent changes to the law.

Montana law requires front side windows to allow at least 24% VLT. Rear side and back windows may be tinted to any darkness. Reflective tint is prohibited. These rules are codified in Montana Code Annotated 61-9-402.