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

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

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

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

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.

Seattle Municipal Railway Track, White Center, Washington, 1920. Right of way view of track on 16th Avenue Southwest south of White Center Station, on Route 4, Highland Park, near White Center Station.