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Washington oversize permits phone number: 630-222-5770
Washington Oversize permits OR Washington Overweight Permits are required when a vehicle or its load exceeds the state feet legal size or weight limits and needs to travel on public highways. These permits ensure compliance with safety standards and protect road infrastructure.
Compare Transport LLC is your trusted source for Washington Oversize Permits, Washington Overweight Permits, and Washington Overhang Permits. Whether you need a Washington Trip Permit, 3-day Trip Permit Washington State, 30-day Trip Permit Washington State, or even a 60-day Trip Permit Washington State, we make the process simple and affordable. Order your Washington State Oversize Permits Online with expert WSDOT permit, WSDOT commercial vehicle permits, and Washington DOT Permits. We also assist with Washington Single Trip Permits, Washington Annual Permits, and ensure compliance with Washington State Wide Load Regulations.
Call us today for your Washington Oversize Permits.
Avoid a Washington State Trip Permit Violation with Compare Transport LLC by your side.
Washington Legal Dimension Limit
Legal Dimensions for Trucking in Washington
Washington Legal Weight Limit
The allowable gross weight is 80,000 pounds, subject to axle configurations:
Axle weight limits Washington
Divisible Loads Over 80,000 lbs:
When operating on Washington’s state and interstate routes, a permit is unnecessary for loads over 80,000 lbs, provided axle and group weight limits aren’t exceeded and the vehicle registration reflects at least the total gross weight.
Washington Routine Limit: Washington Oversize and Overweight Limits
Note: Washington’s permits do not guarantee clearance for height along designated routes. Operators are responsible for verifying vertical clearances.
Maximum Weights With Washington Overweight Permit:
Weight (based on axle configuration and spacing)
Example: 54,080 pounds with 4’2″ spacing; 58,500 pounds with 4’6″ spacing
Vehicles can register for weights up to 105,500 pounds or more depending on permitting needs.
Superload Classification: Any load exceeding the above routine dimensions or surpassing 200,000 pounds in gross weight is classified as a Super Load and requires special review
| Permit Type | Validity Period | Requirements |
|---|---|---|
| Canadian Weights Permit | Annual or Monthly | Allows non-divisible loads to operate on specified routes (SR 9 and US 97) with Canadian weight allowances |
| Monthly/Annual Permit | 30 Days or Annual |
Covers multiple configurations: - Single Trailer (up to 56 ft.): $10.00/30 days or $100.00/year - Double Trailer (up to 68 ft.): $10.00/30 days or $100.00/year - Fixed Load (3 axles): $70.00/30 days - Fixed Load (4 axles): $90.00/30 days - Non-Divisible Load (up to 14 ft. wide, 15 ft. high, 125 ft. length): $10.00 (length), $20.00 (height/width)/30 days - Manufactured Housing (up to 15 ft. high, 15 ft. wide, 75 ft. length): $30.00/30 days or $360.00/year - Milk Double Trailer (up to 85 ft., 129,000 lbs.): $300.00/year |
| Specialty Permits | 30 Days, Quarterly, or Annual |
Specific to certain commodities or vehicle types: - Collection Truck (2 axles): $252.00/year - Collection Truck (3 axles): $336.00/year - Empty Apple Bins (up to 15 ft. high): $20.00/30 days or $240.00/year - Hay Bales (up to 15 ft. high): $20.00/30 days or $240.00/year - Log Tolerance: $50.00 (Apr–Jun), $37.50 (Jul–Sep), $25.00 (Oct–Dec), $12.50 (Jan–Mar) - Tow Truck (Class B): $75.00/year - Tow Truck (Class C): $150.00/year - Tarping System (up to 9 ft. wide): $20.00/30 days or $240.00/year - Temporary Additional Tonnage: $2.80/ton/day (minimum 5 days) |
| Oversize/Overweight Single Trip Permit | Single Trip (up to 3 days) | For non-divisible loads exceeding legal dimensions or weight. Route-specific and valid for a single trip within 3 days of issuance. |
| Superload Permit | Single Trip (up to 3 days) | Required for movements involving loads above 16 ft. in width, 16 ft. in height, 125 ft. in length, or total weight beyond 200,000 lbs. Application must be submitted a minimum of 30 days before scheduled transport. |
| Temporary Vehicle License (Trip Permit) | 3 Days | Grants temporary vehicle registration in Washington for units not currently licensed in-state. Permits usage up to 40,000 lbs. for single vehicles and 80,000 lbs. for combinations. |
| Temporary Fuel Use Permit | 3 Days | Required for diesel-powered vehicles over 26,000 lbs. entering Washington without an IFTA license. |
Movement is allowed from 30 minutes before sunrise to 30 minutes after sunset, including Saturdays and Sundays. Additionally, vehicles or loads that do not exceed 12 feet in width, 14 feet 6 inches in height, or 105 feet in overall length (including legal overhangs) may operate at night if equipped with proper lighting as defined under Federal Regulation 49 CFR 393.11.
Curfews based on time and width apply from Monday through Friday in metropolitan zones such as Seattle-Everett, Tacoma, Olympia, Vancouver, and Kelso. These curfews are listed on the travel restriction sheet provided with permits. A verification number is required to travel on city streets in Seattle and Tacoma.
Unless specifically stated on the Washington oversize permit, no movement is allowed on the following holidays: New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, and Christmas Day, including the holiday weekends starting the preceding Friday.
Restricted Areas for Certain Vehicles:
Permitted vehicles are not allowed to travel in areas marked with signs like:
Washington follows the Federal Bridge Formula, which enforces specific bridge weight limitations. Road restrictions may include, but are not limited to:
Note: All vehicles, whether self-propelled or towed, must adhere to posted bridge weight limits.
On Multi-Lane Highways:
On Two-Lane Highways:
All lift axles must stay engaged if axle loads exceed statutory limits. Monthly/Annual Permit (Single Trailer): $10 (30 days) or $100/year: Covers semi-trailers up to 56 feet hauling divisible cargo. Whenever feasible, overweight single-piece loads must be reduced. Any load that is welded, bolted, or otherwise secured together is considered reducible unless proven otherwise.
| Permit Name | Cost | Description |
|---|---|---|
| Monthly/Annual Permit (Single Trailer) | $10 (30 days) or $100/year | Permits semi-trailers up to 56 feet carrying divisible loads. |
| Monthly/Annual Permit (Double Trailer) | $10 (30 days) or $100/year | Allows double trailers up to 68 feet carrying divisible loads. |
| Monthly/Annual Permit (Fixed Load – 3 Axles) | $70 (30 days) | For single units with 3 axles carrying overweight fixed loads. |
| Monthly/Annual Permit (Fixed Load – 4 Axles) | $90 (30 days) | For single units with 4 axles carrying overweight fixed loads. |
| Non-Divisible Load (Dimensional Only) | Length: $10 (30 days) Height/Width: $20 (30 days) |
Applies to loads exceeding standard dimensions, with limits of 14' wide, 15' high, and 125' long. |
| Tow Truck Permit | Class B: $75/year Class C: $150/year |
Grants weight allowances for towing operations depending on tow method and truck classification. |
| Single Trip OS/OW Permit | Dimensional: $10 Weight: $14+ (varies) |
Valid for 3 days and covers non-divisible oversize or overweight travel along specific routes. |
| Temporary Vehicle License (TRIP) | $25 (3 days) | For short-term vehicle operation within Washington. Limits are 40,000 lbs. for single units and 80,000 lbs. for combinations. |
| Temporary Fuel Use Permit | $25 (3 days) | Needed for vehicles running on special fuels without IFTA registration. Applies to 2-axle vehicles over 26,000 lbs. and all 3-axle vehicles. |
The permit is required for vehicles that exceed the standard-length limit. It enables the transportation of longer goods, such as huge beams or pipes, while maintaining their safety and legality.
Washington Single trip permits are normally valid for one trip and is often necessary for trucks that do not have a regular IFTA (International fuel tax agreement) in place and IRP (International Registration Plan) registered. It enables the truck to drive through particular countries while remaining compliant with fuel tax requirements.
The permit is required when a load exceeds the rear or front of the vehicle. It guarantees that the overhanging weight is delivered securely, without endangering other road users.
A permit is necessary for vehicles that exceed the normal width limitations. It enables the transportation of larger loads, such as massive equipment or prefabricated constructions, while maintaining their safety and legality.
Washington Oversize permits information including legal dimensions, routine permit limits, and escort requirements, operating times and restricted travel.
In Washington, the maximum legal width for commercial vehicles without a permit is 8 feet 6 inches on designated roads. Any load exceeding this width requires an oversize permit.
Permit regulations in Washington require that any load exceeding legal size or weight limits such as width, height, length, or weight must have the proper permit before movement.
Yes, Washington requires trip permits for vehicles not registered under the IRP (International Registration Plan).
A Washington overweight permit typically starts at $20, with an additional $0.30 per mile for loads that exceed legal weight limits.
Washington oversize permits can be obtained online through our website comparetransportll.com or by calling us at 630-222-5770
The base fee is $20, plus $0.30 per mile over the legal gross weight. Bridge or structure crossings may incur additional fees.
Oversize permits generally cost $20 per single trip. Costs may vary based on load size, type, and route.
Washington law requires a permit for loads that exceed 8'6" in width, 13'6" in height, 53 feet in trailer length, or 80,000 lbs gross weight. All oversize moves must comply with specified hours and routing.
Applications for Washington oversize permits can be submitted online via our website comparetransportll.com or by calling us at 630-222-5770
