Permits Canada obtains oversize and overweight permits for Washington for trucks and loads over the legal width, height, length or weight.
Washington legal dimensions and weight
A truck and load within these limits needs no oversize or overweight permit in Washington.
| Width | 8 ft 6 in |
|---|---|
| Height | 14 ft |
| Length | 53 ft for a tractor/trailer; 75 ft overall for a truck and trailer |
Washington oversize permit rules
| Permits offered | Oversize/overweight single trip, monthly, annual, non-divisible (over dimensional only) monthly or annual, superload |
|---|---|
| Escorts | 2 escorts (front and rear) over 11 ft wide on two-lane highways; 1 rear escort over 14 ft on multilane; 2 over 20 ft on multilane undivided; 1 front height-pole escort over 14 ft 6 in high |
| Travel times | Night travel only if permit states 'Night movement approved'; travel may be restricted on 7 listed holidays from noon the day before and during commute hours on busy highway sections |
Getting your permit with Permits Canada
- Send us the online oversize / overweight application with your truck, trailer, load dimensions and route.
- A permit agent applies for your Washington permit and checks the route conditions.
- Your permit arrives by email with its travel conditions. Oversize and overweight permits can take longer, since the authorities review each application.
Our fee is $40 to $50 CAD per permit, plus the Washington state fee, which depends on the dimensions, weight and route.
Also need temporary registration or fuel tax coverage? See Washington trip & fuel permits.
Washington oversize permit questions
When is an oversize permit required in Washington?
When the truck or load exceeds the Washington legal limits: width 8 ft 6 in, height 14 ft, length 53 ft for a tractor/trailer; 75 ft overall for a truck and trailer.
When are pilot or escort vehicles required in Washington?
2 escorts (front and rear) over 11 ft wide on two-lane highways; 1 rear escort over 14 ft on multilane; 2 over 20 ft on multilane undivided; 1 front height-pole escort over 14 ft 6 in high.
Can oversize loads travel at night or on weekends in Washington?
Night travel only if permit states 'Night movement approved'; travel may be restricted on 7 listed holidays from noon the day before and during commute hours on busy highway sections.
How much does a Washington oversize permit cost?
Permits Canada charges $40 to $50 CAD per permit, plus the Washington state fee, which depends on the dimensions, weight and route.
Last reviewed October 2026. Rules change; your permit agent confirms them for each move. All provinces and states