Washington oversize permit office
Washington State Department of Transportation (WSDOT) - Commercial Vehicle Services, Headquarters (Olympia). Call 360-704-6340, Monday thru Friday, 7 a.m. - 4:00 p.m. (lunch hour 12 p.m. - 12:30 p.m.) Pacific time.
From Washington's own pages, checked 2026-10-24. Fees and rules change: the state's page is the last word.
- Apply online
- eSNOOPI ProSource
- How to get one
- Self-issue most permits online in eSNOOPI Pro any time, or use a permit agent or a WSDOT permit office; permits are not sold at Ports of Entry or over the phone.
- Single trip fee
- Dimensional permits are $10.00. Weight permits vary, the minimum price is $14.00.Source
- Legal without a permit
- Width 8 ft 6 in · Height 14 ft · Length 53 ft (tractor/trailer); 40 ft single unit; 75 ft overall truck and trailer · Weight Set by axle weights and the axle-group weight table (RCW 46.44.041), up to 105,500 pounds in the table; 20,000 pounds single axleSource 1Source 2
- Superloads
- A superload approval request is needed for loads over 16 ft wide, 16 ft high, 125 ft of load length, or 200,000 lbs.; send it at least 30 days before the move.Source
- How fast
- Most permits self-issue online 24/7; self-issued permits that need WSDOT approval are processed within 3 business days.Source
When you can move
- Daylight
- Daylight is half an hour before sunrise to half an hour after sunset; loads bigger than 12 ft wide, 14 ft 6 in high or 105 ft long move in daylight unless the permit says night movement approved.Source
- At night
- Loads up to 12 ft wide, 14 ft 6 in high and 105 ft long may move at night; bigger loads only when the permit says "Night movement approved". All night moves still follow commuter curfews.
- Holidays
- New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Day after Thanksgiving, Christmas Day. No oversize moves on the holiday, starting at noon the day before. Next datesSource
- Rush-hour curfews
- 23 in Washington, such as Seattle-Everett: SR 2 between I-5 and SR 204 (oversize loads needing signs; over-width-only loads up to 9 ft wide exempt): Mon-Fri EB 3-7 PM; WB 6-9 AM. All of them