Seattle Municipal Railway Track, White Center, Washington, 1920. Right of way view looking south on 16 Avenue Southwest from Southwest Roxbury Street, on Route 4, Highland Park, near White Center.

Seattle-Tacoma Interurban Railroad mainline at south Seattle, Washington, circa 1927. Looking north at interurban line, overhead trolley wire, Pacific Coast Railroad mainline at left. Other Subject Classes: railroad mainline, railroad electrification.

Site of Pacific Coast Railroad mainline at Maple Valley, circa 1996.

Spokane, Portland & Seattle (SP&S) Junction in Kennewick, Washington, on February 14, 1981, where the SP&S joins the Northern Pacific mainline. This track is in the 3rd subdivision of the Idaho division. Photo by GJ Werkema. Other subject classes: track

Spokane, Portland & Seattle (SP&S) Junction in Kennewick, Washington, on February 14, 1981, where the SP&S joins the Northern Pacific mainline. This track is in the 3rd subdivision of the Idaho division. Photo by GJ Werkema. Other subject classes: track

SP&S tracks at Clatsop Beach, Oregon undated. Photo by Kiser Photo Company.

SP&S diesel locomotive Number 322, an American Locomotive Company (ALCO) C-425, on the first trip over new track made necessary due to the construction of the John Day Dam, May 1967. Photo by J. Vincent.

SP&S Last Spike Ceremony at Sheridan Point, March 11, 1908. Photo Art Studios photograph, from the Oregon Historical Society Collection.

SP&S Last Spike Ceremony at Sheridan Point, March 11, 1908. Photo Art Studios photograph.

SP&S mainline and siding along the Snake River, undated.