Important! We are not a permit service. We do not arrange permits for carriers. The following is for informational purposes only. Always read your permits and provisions sheets carefully. We cannot guarantee the accuracy of the information provided.
Oregon DOT Phone Number
503-588-2941
PERMITS
Oregon oversize permits are valid for 10 days. A permit must be obtained prior to entering the state.
OPERATING TIME
Travel is allowed from one-half hour before sunrise to one-half hour after sunset seven days a week from Labor Day to Memorial Day. From Memorial Day to Labor Day, Saturday travel is allowed until noon and no travel is allowed on Sundays, except for vehicles not exceeding 14 feet wide, which can travel on weekends during daytime hours only on Interstate highways west of the summit of the Cascade Mountains and on any authorized highway east of the summit of the Cascade Mountains. Night travel is allowed for vehicles up to 10 feet wide on "green" routes and up to 12 feet wide on Interstates.
RESTRICTED TRAVEL
In Portland, Salem, Eugene, Grants Pass, and Medford urban areas, on non-Interstate highways, on I-5 in Portland from the WA line to the junction of OR217, and in Medford on I-5 between exits 24 and 33, travel is not allowed for vehicles over 12 feet wide from 7:00 to 9:00 a.m. and 3:00 to 6:00 p.m. Additional curfew areas apply for vehicles over 14 feet wide (see provision sheet for details).
LEGAL DIMENSIONS
Length
53′ semitrailer. No overall limit on designated routes. Group 1 routes – 60′. Overhang: 5′.
Note: Trailers exceeding 53′ in length are not allowed unless they must be stretched for a load, and can be reduced to 53′ when unladen, or are in a combination with jeeps or boosters.
Width
8’6″
Height
14′
Weight
80,000 pounds. Single - 20,000 pounds. Tandem - 34,000 pounds. Tridem - Depends on spacings.
ROUTINE PERMIT LIMITS
Length
105′
Overhang
Rear overhang not to exceed 1/3 of the wheelbase of the tractor/trailer combination.
Width
16′
Height
Depends on routes
Weight
- Single – 21,500 pounds
- Tandem – 43,000 pounds
- Tridem - 8’6″ or less 57,600 pounds, 9′: 58,800 pounds, 10′: 64,500 pounds
- Steer – 600 pounds per inch of tire width (13,200 pounds on 11″ tires)
Register for 105,500 pounds to permit that much or more.
Loads exceeding the following are considered superloads, and may take extra time for approval:
- 16′ wide on the Interstate
- 14′ wide on 2-lane highways
- Over 17′ high
- 150