Washington State launches predictive system to help truckers find parking along I-5 corridor ‘up to 4 hours in advance’
The Washington State Department of Transportation (WSDOT) has deployed new predictive technology to help truckers find parking along the I-5 corridor.
On September 2, 2025, WSDOT announced the launch of the Truck Parking Information Management System (TPIMS), which “equips truck drivers with real-time and predictive information about parking spaces available up ahead” to ensure that “truck drivers can find safe parking and that existing truck parking spaces are used to their full capacity.”
WSDOT partnered with the University of Washington Star Lab to launch the TPIMS, which provides “first-of-its-kind predictive information to truck drivers on parking availability up to four hours down the road.”
By the end of September 2025, TPIMS information will be available for truck drivers at the following locations:
- Gee Creek Rest Area northbound (north of Vancouver, mile marker 11)
- Gee Creek Rest Area southbound (south of Woodland, mile marker 12)
- Maytown Rest Area (south of Olympia, mile marker 93)
- Fort Lewis Weigh Station (near DuPont, mile marker 117)
- SeaTac Weigh Station (between Fife and Federal Way, mile marker 140)
- Smokey Point Rest Area southbound (south of Mount Vernon, mile marker 207)
- Smokey Point Rest Area northbound (north of Marysville, mile marker 207)
- Custer Rest Area northbound (north of Bellingham, mile marker 267)
- Custer Rest Area southbound (south of Blaine, mile marker 269)
- Toutle River Rest Area northbound (north of Castle Rock, mile marker 54)
- Ridgefield Weigh Station (north of Ridgefield, mile marker 15)
Additional locations will be added along the I-5 corridor in 2026.
As part of the project, WSDOT vendors Drivewyze and ParkerTruck will provide the parking information for drivers either through in-cab displays in their trucks or through mobile apps on their phones. Truck drivers can find more details on how to access TPIMS information by visiting either vendor’s website.
If you have a USDOT number, you can use the following mobile apps to find the number of estimated truck parking spaces available on I-5 up to four hours in advance.
Drivewyze
ParkerTruck
Funding for TPIMS comes from the Federal Motor Carrier Safety Administration and the federal Infrastructure for Rebuilding America, or INFRA grant program through the U.S. Department of Transportation.