Help/Assistance

For assistance information and materials please visit https://wsdot.wa.gov/travel/commercial-vehicles/commercial-vehicle-permits.

Other sources of help, information, and references:

https://www.wsdot.wa.gov/commercial-vehicle/permits/need-permit

Helpdesk phone:

(360) 704-6340

Subject matter expert contact information:

(360) 704-6340 - 3 Permit Specialists

CVSpermits@wsdot.wa.gov

Temporary Additional Tonnage

Description/Purpose

To temporarily increase the licensed weight of a vehicle, but not more than the legal capacity of the vehicle.

Triggers and activities which would require this permit

The permit is used to temporarily increase the licensed weight of a vehicle, but not more than legal capacity. Before purchasing temporary addition tonnage the vehicle must be licensed to at least 40,000 pounds for solo units and 80,000 pounds for combinations. A Temporary License Permit (Trip Permit) may be used to increase licensed weight to the required 40,000 or 80,000 pounds to qualify for the temporary Additional Tonnage Permit (additional tonnage may not be sold for periods greater than the period covered by the Trip Permits). Minimum permit duration 5 days.

Explanation/Description of costs/fees, including statutory, regulatory, or other legal authority for fees

Fee rate is $2.80 per day for each 2,000 pounds (The fee schedule is available on page 4-7 in WSDOT's Commercial Vehicle Guide)

Application Information

The application is called 'DOT Form 560-029' is online and can be accessed at https://wsdot.wa.gov/travel/commercial-vehicles/commercial-vehicle-permits.

No - Only the permit application and permit fee is required to issue the permit (only 3 permits can be issued in a thirty day period)

No - The application and permit fee is all that is required in order to issue the permit

You can self-issue this permit type by accessing WSDOT's self issue permit program at https://wsdot.wa.gov/travel/commercial-vehicles/commercial-vehicle-permits/self-issue-permit, you can contact a Permit Agent or visit any WSDOT Permit Office.

For information about Permit Agents or WSDOT Permit Offices see: https://wsdot.wa.gov/travel/commercial-vehicles/commercial-vehicle-permits/permit-offices

Permit is valid for the period purchased, beginning the date of purchased, and for a minimum of five (5) days

N/A

Permit Timeliness Results

Permit Timeliness data collection is in response to a State Auditor’s Performance Audit and RCW 43.42A. Each regulatory agency developed a plan to improve permit clarity, predictability, and timeliness. Each agency considers the customers experience to ensure permit assistance is simple to use, easy to access, and designed in a customer-friendly manner. Agencies report progress to the Governor’s Office for Regulatory Innovation and Assistance (ORIA). ORIA prepares and distributes reports, with participation from the State Auditor’s Office and Results Washington. See latest report here: https://www.oria.wa.gov/ORIA-2020-PermitTimelinessProgressReport.pdf.

Estimated Time Required By the Agency to Process a Permit Application (Definition)
Average days from Receipt to Complete: 1
Maximum days from Receipt to Complete: 1

Estimated Time Required By the Agency to Issue a Permit Decision (Definition)
Average days from Complete Application to Decision: 1
Maximum days from Complete Application to Decision: 1


(Summary results based on 1221 submittals in 2024)

Legal authority
Notes / Comments

Permits are valid for periods of not less than five days and shall authorize the movement of loads not exceeding the weights limits set forth in RCW 46.44.041 and 46.44.042. Fees may not be prorated.

Contacts
Washington State Department of Transportation, Commercial Vehicle Services
7345 Linderson Way SW
PO Box 47367
Tumwater WA 98504-7367
Email: CVSpermits@wsdot.wa.gov
Website: http://www.wsdot.wa.gov and Commercial Vehicle Services Webpage
Telephone: (360) 704-6340
* Credential details last updated 3/1/2022
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