Washington

NORPASS Member Contacts


Washington State Department of Transportation


Washington Trucking Associations


Transponder Administration


Weigh Station Locations

  • Northbound Interstate 5 at the Ridgefield Port of Entry
  • Northbound Interstate 5 at Fort Lewis
  • Northbound Interstate 5 at Sea Tac
  • Northbound Interstate 5 at Stanwood Bryant
  • Southbound Interstate 5 at Bow Hill Port of Entry
  • Westbound Interstate 90 at Cle Elum
  • Southbound Interstate 5 at Everett
  • Southbound Interstate 5 at Kelso
  • Interstate 82 at Plymouth Port of Entry
  • Interstate 82 at Grandview
  • Interstate 90 Spokane Port of Entry