Idaho transportation laws

Transportation laws enacted in Idaho

2 transportation laws enacted in the Idaho Legislature in the 2025 and 2026 sessions, newest first. Each links to the legislature's own page.

• H 667MOTOR VEHICLES – Amends existing law to eliminate the nondomiciled CDL program in Idaho.Took effect 1 July 2026

  What it does: Eliminates Idaho's nondomiciled commercial driver's license program by removing the definition of nondomiciled commercial licenses and permits from state law and repealing provisions allowing their issuance, effective July 1, 2026.

  Motor carriers and commercial drivers

• H 664MOTOR VEHICLES – Amends existing law to provide that speed limits for vehicles with five or more axles operating at a gross weight of more than 26,000 pounds shall be the same as for other vehicles.Took effect 1 July 2026

  What it requires: Drivers of vehicles with five or more axles operating at a gross weight of more than twenty-six thousand pounds must comply with the same maximum lawful speed limits as vehicles with less than five axles operating at twenty-six thousand pounds or less, except that in urban areas on interstate highways such vehicles shall not exceed sixty-five miles per hour.

  Truck size, weight and road use

Transportation in Idaho, by topic

• Motor carriers and commercial drivers

  1 bill, 1 enacted. Enacted in 34 states.

• Truck size, weight and road use

  1 bill, 1 enacted. Enacted in 17 states.