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.

Skiers at Martin, Washington, circa 1939. Two women on skis near Northern Pacific tracks. J.M. Fredrickson collection. Other Subject Classes: people, track, mountains

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

View of Hoyt Street Yard from cab of Spokane, Portland and Seattle Railway type F3 801 in 1961. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel, Yard-Freight.

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 East Portland yard; east side of the yard from Southeast Union Avenue, undated, from the Oregon Historical Society Collection.

SP&S Hoyt Street yard in Portland, Oregon during flooding in 1948.