Burlington Northern executive passenger train at South Seattle, Washington, on April 26, 1971. The executive cars await the first arrival of train 3, the new fast piggy back service to the northwest. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive.

Burlington Northern trailer is unloaded from a flat car by a Piggy Packer at South Seattle, Washington, on April 26, 1971. This event is commemorating first arrival of train number 3 at South Seattle. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern trailer is unloaded from a flat car by a Piggy Packer at South Seattle, Washington, on April 26, 1971. This event is commemorating first arrival of train number 3 at South Seattle. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern Piggy Packer working at the intermodal yard in South Seattle, Washington in 1980. Photo by J.M. Fredrickson. Other Subject Classes: piggy back car.

Burlington Northern Piggy Packer working at the intermodal yard in South Seattle, Washington in 1980. Photo by J.M. Fredrickson. Other Subject Classes: piggy back car.

Burlington Northern Piggy Packer working at the intermodal yard in South Seattle, Washington in 1980. Photo by J.M. Fredrickson. Other Subject Classes: car loader.

Holland America Westours passenger car 510 on the end of a Burlington Northern (BN) freight train with Burlington Northern caboose 10513 at South Seattle, Washington in 1987. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, caboose

Holland America Westours full-dome passenger car 554 at South Seattle, Washington on June 25, 1987. Crew 10, with Burlington Northern Railtoad diesel locomotive 2089, moves Westours (WTMS) 554 at South Seattle in 1987. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, diesel locomotive, caboose

Holland America Westours passenger car 554 on the end of a freight train with Burlington Northern caboose 10513 at South Seattle, Washington on June 25, 1987. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, caboose, freight train

Holland America Westours full-dome passenger car 554 at South Seattle, Washington on June 25, 1987. Crew 10, with Burlington Northern Railtoad diesel locomotive 2089, moves Westours (WTMS) 554 at South Seattle in 1987. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, diesel locomotive, caboose