Links to transit agencies providing service in Washington:
- Asotin County Transit
(208) 743-2545
- Ben Franklin Transit
Benton City, Kennewick, Pasco, Prosser, Richland, and West Richland
- Clallam Transit System (CTS)
County-wide service for Clallam County
- Columbia County Public Transportation
- C-TRAN
Vancouver, Washington
Tri-Met
Providing services into Vancouver, Washington, from Portland, Oregon
- Community Transit
Snohomish County
- Community Urban Bus Service (CUBS)
Kelso and Longview
- Everett Transit
City of Everett
- Garfield County Public Transportation
Countywide service for Garfield County
(509) 843-3563 (currently no Web site)
- Grant Transit Authority
Grant County
- Grays Harbor Transit
Grays Harbor
- Intercity Transit
Lacey, Olympia, and Tumwater
- Island Transit
Whidby Island
- Jefferson Transit
Countywide service for Jefferson County
- Metro Online
Seattle / King County Metro Transit
- Kitsap Transit
Bremerton and Kitsap County
- Link
City of Wenatchee, Chelan and Douglas Counties
- Mason County Transportation Authority
Mason County
- Pacific Transit
Raymond and Pacific County
- Pierce Transit
Tacoma and Pierce County
- Pullman Transit
City of Pullman
- Skagit Transit (SKAT)
Skagit County
- Sound Transit
Central Puget Sound Regional Transit Authority
- Spokane Transit
City of Spokane and surrounding communities
- Twin Transit
Centralia and Chehalis
- Valley Transit
Walla Walla
- Whatcom Transportation Authority
Bellingham
- Yakima Transit
City of Yakima