Burlington Northern diesel locomotive 6474 at South Seattle, Washington, on April 26, 1971. Officials prepare to commemorate Burlington Northern train 3, the Chicago to Seattle TOFC service called the Pacific ZIP led by 6474, 6476 and 6481, on its first arrival at the South Seattle intermodal terminal. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive, people.

Burlington Northern diesel locomotive 6474 at South Seattle, Washington, on April 26, 1971. Burlington Northern train 3, the Chicago to Seattle TOFC service named the Pacific ZIP, arrives for the first time at the South Seattle intermodal terminal with 6474, 6476 and 6481. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive, people.

Burlington Northern diesel locomotive 6474 at South Seattle, Washington, on April 26, 1971. Burlington Northern train 3, the Chicago to Seattle TOFC service named the Pacific ZIP, arrives for the first time at the South Seattle intermodal terminal with 6474, 6476 and 6481. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive, people.

Burlington Northern diesel locomotive 6474 at South Seattle, Washington, on April 26, 1971. Officials prepare to commemorate Burlington Northern train 3, the Chicago to Seattle TOFC service called the Pacific ZIP led by 6474, 6476 and 6481, on its first arrival at the South Seattle intermodal terminal. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive, people.

Burlington Northern diesel locomotive 6474 at South Seattle, Washington, on April 26, 1971. Officials prepare to commemorate Burlington Northern train 3, the Chicago to Seattle TOFC service called the Pacific ZIP led by 6474, 6476 and 6481, on its first arrival at the South Seattle intermodal terminal. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive, people.

Burlington Northern diesel locomotive 6476 at Seattle, Washington, on April 26, 1971. Number 6476 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 36365. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6480 at Seattle, Washington, on February 02, 1971. Number 6480 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 36369. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6480 at Seattle, Washington, on July 29, 1973. Number 6480 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 36369. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6481 at Seattle, Washington, on April 26, 1971. Number 6481 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 36370. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6481 at South Seattle, Washington, on April 26, 1971. The power from train 3 connects to a Burlington Northern executive train and prepares to head south from South Seattle after the first arrival of train 3. Train 3 was named the "Pacific Zip" and provided fast piggy back service to the northwest. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive.