Commercial vehicle drivers or carriers with a Gross Vehicle Weight (GVW) of 16,000 or more can use a transponder to be electronically screened as the commercial vehicle approaches a weigh station (view map).

Requirements

Transponders are registered to a VIN with the commercial vehicle information used for electronic screening coming from the registration/cab card.

• The commercial vehicle registration/cab card must be current
• An active USDOT number must be provided (Carrier Responsible for Safety)
• All required taxes and fees must be paid

Purchasing a Transponder

To obtain an application:

• Download an application (pdf 128 kb)
• Email TransponderAdmin@wsdot.wa.gov to request a faxed, mailed, or emailed application
• Call Transponder Administration at 888-877-8567 to request a faxed, mailed or emailed application

To submit:

• Complete the application
• One application can be used to purchase multiple transponders mailed to the same address
• Send a check or money order to WSDOT for the total cost of the transponder(s) purchase
• (Optional) Register the transponder(s) by including a copy of the registration/cab card for each commercial vehicle
• Mail to the address located on the application
• We are unable to accept credit cards or any form of electronic payment

Once the application has been received we mail out transponders within a couple business days.Typically you should receive the transponder(s) in the mail within 5-7 business days of the check clearing. Registered transponders will have a license plate sticker on the side.Transponders will be mailed unassigned if the registration/cab card was not included with the application.

Price

We charges a one-time $35 fee per transponder.

• When you receive the transponder, it belongs to you
• All rights to the transponder transfer to you
• There are no additional fees for using a transponder in Washington

Battery Life

• Transponders have a 3 to 5 year average battery life (depending on how often it is used).
• Transponders are not designed with replaceable batteries
• Once the transponder stops working, a new transponder should be purchased
• Non-working transponders purchased from us do not need to be returned

Other Systems

We forward updates to Idaho, South Dakota, New York, and Connecticut. To register a transponder in other systems provide the transponder number and commercial vehicle information.

• Oregon Green Light 503-378-6054
• British Columbia Weigh2GoBC 250-953-4001
• PrePass 800-773-7277

*Subject to PrePass regulations and fees.

Contact Us

• Email:  TransponderAdmin@wsdot.wa.gov 
• Phone:  888-877-8567
• Fax:  360-705-6836