Certificates granted by the Washington Department of Public Works.
Certificate No. Operator Route
Year 1925
417 Puget Sound International Ry. & Power Seattle-Everett
Discontinued 1926
422 Portland-Seattle Stage Co. Seattle-Tacoma-Portland OR
424 Seattle Portland & San Francisco Auto Seattle-San Francisco CA
428 International Motor Transit Co. Seattle-Portland OR
429 R. R. Carr Cle Elum-Casland
Discontinued 1926
432 Mt. Baker Development Co. Bellingham-Austin Pass
Discontinued 1926
434 R. D. Wood Prosser-Arlington OR
Discontinued 1926
436 R. V. Johnson Pullman-Elk River ID
Discontinued 1926
437 Ocean Beach Transportation Co. Knappton-Brix's Camp
South Bend-McGowan/Long Beach
438 Lewiston-Enterprise Stage Line Lewiston ID-Enterprise OR
440 Oregon-Washington Railroad & Navigation Walla Walla-Pendleton OR
441 C. Reed Tacoma
442 Longview-Portland Stage Co. Longview-Portland OR
Discontinued 1926
Year 1926
445 Whidby Island Transportation Co. Oak Harbor-Everett
448 Leonard Davis Castle Rock-Spirit Lake
449 Mt. Baker Development Co. Bellingham-Austin Pass
452 Crosby Direct Line Ferries Manchester-Southworth/Port Orchard
453 Harry E. Kettering Seattle-San Francisco CA
455 Columbia Gorge Motor Coach System Portland OR-Vancouver/Washougal
456 Cloverleaf Motor Coach Co. Hoquiam-Portland OR
Discontinued 1927
465 John Danko Cle Elum-Casland/Liberty
468 C. B. Ruffcorn Haller Lake-Seattle
Merged 1928 into Suburban Transportation System Certificate 76
469 Vancouver BC-Seattle Stage Line Seattle-Vancouver BC
Discontinued 1928
471 Northeast Transportation Co. Seattle/north of
473 L. V. Norman Seattle-San Francisco CA
Discontinued 1927
475 Wilson & Parsons Spokane-Sand Point ID
476 Red Collar Steamboat Co. Spokane-Coeur D'Alene ID
Year 1927
478 Price & Vanderhoef Seattle-Los Angeles CA
Discontinued 1928
483 Edgar Cole Tekoa-Clarkia ID
484 Charles A. Claringbould Roanoke-Beaux Arts
490 G. L. Standring Seattle-Portland OR
492 Clarence L. Gardiner Republic-Coleville
493 William & David A. Affleck Burlington-Sedro Woolley
497 Keystone Stages Seattle-Los Angeles CA
Discontinued 1928
498 Goldenwest Motor Transit Co. Seattle-Los Angeles CA
Discontinued 1928
499 Smedley & Thompson & LeFavour Seattle-Los Angeles CA
Discontinued 1928
501 J. J. Lafferty Port Townsend-Fort Worden
Year 1928
506 Henry Loomis Olympia-Grand Mound
508 J. O. Dion Yakima-White Swan
509 McLaughlin & Coffman Ranier-Vale
510 Gleason & Noble Colville-Trail BC
513 Tonasket-Republic-Wilbur Transp. Co. Tonasket-Wilbur
517 Geo. B. Lamping Seattle-U. S. Aviation Field
523 Hiway Stages Hoquiam-Portland OR
527 Portland-Grays Harbor Stages Hoquiam-Portland OR
Certificate No. Operator Route