Official Idaho Trucking Online Resource
Customer Feedback
- Take the DMV Feedback Survey
New Idaho legislation to take effect July 1, 2025
When a vehicle or combination of vehicles subject to registration is to be moved on the public highways in the state of Idaho, the department may issue a 120-hour permit in lieu of a registration for any vehicle or combination of vehicles upon payment.- 120-hour permits must be purchased prior to the movement of the vehicle on the highway and limited to 3 permits per vehicle per year.
Ports of Entry provide assistance in:
- Weight & size compliance
- Measuring of vehicles
- Inspection of vehicle equipment on commercial vehicles
- Understanding regulations & commercial driver’s licensing requirements
- Checking vehicle registrations & registering of commercial vehicles
- Checking fuel tax status
- Issuing permits/endorsements
- Providing information to the public & serve as a resource to the trucking industry
- Checking livestock papers, brand & other agricultural commodities
Port of Entry Locations
Regulations
- Authority to Conduct Safety Inspections | 67-2901A
- Inspection of Motor Carriers | 67-2901B
- Port of Entry Authority | Permit Authority | Brand Inspector Authority
- Federal Motor Carrier Safety Administration (FMSCA)
- Idaho Motor Vehicle Laws | Title 49
- Idaho Securement Law | 49-613
- Idaho Transportation Department Administrative Rules
- Tire Equipment (Chains) | 49-948 – Requires chains as weather warrants in these areas:
- Interstate 90 – Lookout Pass
- Interstate 90 – Fourth of July Pass
- US-12 – Lolo Pass
Bridge/Weight Tables
- Legal Allowable Gross Loads Chart | 49-1001
- Table A-B | Weight Limits on Interstate System routes for Special Products: Logs, pulpwood, stull, poles or piling; ores, concentrates, sand & gravel, and aggregates thereof, in bulk; unprocessed agricultural products, including livestock.
- Table C-J | Weight Limits for Loads exceeding 79,000 pounds on Interstate, and 80,000 pounds on non-Interstate routes
- Table K-L | Weight Limits, up to 80,000 pounds for all commodities on non-interstate system routes
Legal Weight Calculator
This Calculator will help determine the legal gross, bridge and axle weight for a truck configuration. Please review the Instruction file and/or watch the Video demonstration.- Legal Weight Calculator – Excel File
- Instructions for Calculator – Details for using the Legal Weight Calculator
- Video Demo of Legal Weight Calculator – Instructional video for using the Legal Weight Calculator
Get It Done Online!
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