- Idaho Transportation Department
- Idaho State Police – Commercial Vehicle Safety Division – enforces commercial vehicle safety regulations
- Federal Motor Carrier Safety Administration
- Federal Highway Administration
Idaho Transportation Department
The Department serves Idaho drivers, auto dealers, truckers, pilots and boat dealers and owners.
- Driver and Motor Carrier Services
- Commercial trucking
- Automobile and Boat (Vessel) Dealerships – New and Used
- Aviation Services: Division of Aeronautics
- Boats (Vessels) – titling