Spokane, Portland and Seattle Railway flat car with snow plow at Hoyt Street Yard in Portland in 1959. Photograph by Alden Raney. Other subject classes: Plow-Snow Wedge.

Spokane, Portland and Seattle Railway Tank Car X-379 and Lounge Sleeping Car "Mt. Jefferson" at Hoyt Street Yard in Portland in 1959. Photograph by Alden Raney. Other subject classes: Car-Tank, Car-Lounge.

Spokane, Portland and Seattle Railway weed sprayer R-1 at Hoyt Street Yard in Portland in 1962. Photograph by Alden Raney. Other subject classes: Track-Equipment.

Spokane, Portland and Seattle Railway steam wrecking crane X-25 clearing up train wreck between Northern Pacific and Great Northern trains at Guilds Lake Yard in Portland in 1968. Photograph by Alden Raney. Other subject classes: Accident, Locomotive-Diesel.

Spokane, Portland and Seattle Railway steam wrecking crane clearing up train wreck between Northern Pacific and Great Northern trains at Guilds Lake Yard in Portland in 1968. Photograph by Alden Raney. Other subject classes: Wrecker, Accident.

Spokane, Portland and Seattle Railway steam wrecking crane X-5 clearing up train wreck between Northern Pacific and Great Northern trains at Guilds Lake Yard in Portland in 1968. Photograph by Alden Raney. Other subject classes: Wrecker, Accident.

Spokane, Portland and Seattle Railway steam wrecking crane clearing up train wreck between Northern Pacific and Great Northern trains at Guilds Lake Yard in Portland in 1968. Photograph by Alden Raney. Other subject classes: Wrecker, Accident.

View of the Oregon Pony steam locomotive on display in front of Portland Union Station in 1962. Photograph by Alden Raney. Other subject classes: Locomotive-Steam.

Photographs of urban rail public transportation that generally has a lower capacity and lower speed than heavy rail systems.