Idaho Trip Permit for Trucks

The Idaho temporary trip permit: what it costs, how long it lasts and how it compares with neighboring states.

ID, reviewed October 2026

The short answer for Idaho

In Idaho, the 120-hour temporary registration permit (trip permit) costs $60 and is valid for 5 days. A fuel permit is listed at $60.

Buy it from the issuing agency: official Idaho trip permit page. Running more than one state? Add Idaho to the trip permit cost estimator.

What to know before you buy

Idaho Code 49-432: $60 single vehicle; $120 for a combination with more than one unregistered vehicle (e.g., unregistered tractor plus trailer). Fuel permit $60. 30-day unladen weight permit $60. Limited to 3 per vehicle per year (excluding fuel and unladen). Self-issued through the ITD CRS 'Permits Only' login.

Idaho against its neighbors

The states a truck crosses next to Idaho on the main freight corridors, with the same figures for each. A state without a confirmed figure says so.

Trip permit fee and validity for Idaho and its neighbors
StatePermitTrip feeFuel permitValid forRules
Idaho (this page)120-hour temporary registration permit (trip permit)$60$605 daysOversize rules
WashingtonTemporary License Permit (TRIP)$25$253 days-
MontanaTemporary fuel permit / temporary registration (GVW fee permit)Not confirmedNot confirmedNot confirmed-

Where Idaho sits among 24 states

Ranked against the 24 states on this site with a confirmed trip permit fee and validity. States with the same value share a position.

Idaho trip permit fee and validity ranked among states
MeasureIdahoPosition
Trip permit fee$6022 of 24, lowest first
Validity5 days6 of 24, longest first

Idaho at a glance

A trip permit covers registration and fuel tax for a short run. It does not authorize an oversize or overweight load; that is a separate permit with its own conditions.

Idaho legal size, weight and oversize travel rules
Legal height14 ft 0 in
Legal lengthSingle motor vehicle 45 ft; semitrailer 48 ft (53 ft on national network and access routes); truck-tractor with semitrailer and trailer (doubles) 75 ft overall, 61 ft trailers combination (68 ft on national network); 115 ft on designated LCV routes by permit (Idaho Code 49-1010).
Legal gross weight80,000 lbs
Oversize travel hoursLoads not over 12 ft wide, 120 ft long and 15 ft high may travel 24 hours, 7 days (black-coded routes and interstate). Larger loads are daylight-only per the ITD pilot/escort map. Loads over 13 ft wide barred 6-9 am and 4-6:30 pm Mon-Fri at listed commuter areas (Boise valley I-84, Coeur d'Alene, Idaho Falls, Twin Falls, etc.).
Weekend travelRed-coded routes: daylight only until 2 pm Friday, no Saturday or Sunday travel, resumes Monday at sunrise. Black-coded and interstate: loads within 12 ft wide / 120 ft long / 15 ft high may travel weekends; larger loads follow the pilot map restrictions.

Plan the rest of the trip

Fees and validity for Idaho, reviewed October 2026. Fees change and this is not legal advice; the agency's own page controls.