Amtrak diesel locomotive 556 at Portland, Oregon in June 1974. Amtrak 556 leads train number 11 at Portland Union Station in 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 547, an EMD SDP40F at Union Station in Portland, Oregon, circa 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 545, an EMD SDP40F at Union Station in Portland, Oregon, circa 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 399 at Portland, Oregon in 1986. Amtrak 399 leads train number 795 at Portland Union Station in 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 399, an EMD F80PH SN 847048-9 at Portland, Oregon in 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 395 leads train number 25 at Motanic, Oregon on August 6, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak type F40 254 on the point of a northbound "Coast Starlight" shortly after exiting the North Portland tunnel. The detour was due to a ship striking Burlington Northern Railroad's Willamette River Bridge 5.1 in 1978. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel, Train-Passenger.

Amtrak type F40 254 on the point of a northbound "Coast Starlight" shortly after exiting the North Portland tunnel. The detour was due to a ship striking Burlington Northern Railroad's Willamette River Bridge 5.1 in 1978. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel, Train-Passenger.

Amtrak type F40 254 on the point of a northbound "Coast Starlight" shortly after exiting the North Portland tunnel. The detour was due to a ship striking Burlington Northern Railroad's Willamette River Bridge 5.1 in 1978. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel, Train-Passenger.

Amtrak type F40 254 on the point of a southbound "Coast Starlight" shortly before entering the North Portland tunnel. The detour was due to a ship striking Burlington Northern Railroad's Willamette River Bridge 5.1 in 1978. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel, Train-Passenger.