Oregon OSOW Regulations (ODOT)

Legal Dimensions (No Permit Required)

• Width: 8'6"
• Height: 14'
• Length: 53' (semitrailers)
• Gross vehicle weight: 80,000 lbs

Legal Weights (No Permit Required)

• Single axle: 20,000 lbs
• Tandem axle: 34,000 lbs

Permit Validity

• 10 days

Escort Vehicle Requirements

When Escorts Are Required

Escort Positioning

• When one pilot vehicle required: Must travel in front of oversize unit

Pilot Vehicle Distance

• Rural highways: Maintain distance of 300-500 feet ahead or behind movement

Over Length

• Over 95': 1 escort pilot car
• Over 120': 2 escort pilot cars
• Over 120' on two-lane highways: Rear escort required
• Over 140': As specified by permit

Over Height

• Over 14'6": Front escort needed (depends on route and load)

Over Width

• Width requirements vary by route
• Oregon uses color-coded route system for width requirements

Operating Times

Standard Hours (Labor Day to Memorial Day)

• 1/2 hour before sunrise to 1/2 hour after sunset
• 7 days a week

Summer Restrictions (Memorial Day to Labor Day)

• No travel starting noon on Saturday
• No travel all day Sunday

Contact Information

• Website: https://www.oregon.gov/odot/
• State: Oregon
• Agency: Oregon Department of Transportation (ODOT)

Regulatory References

• Oregon Department of Transportation
• https://www.oregon.gov/odot/
• https://oregontruckspermit.com/
• https://jjkellercompliancenetwork.com/regsense/oversize-and-overweight-movements-oregon

Last Updated: 2025-11-11