An unidentified 0-4-0 steam locomotive number 107, coupled to two loaded log cars on a curved trestle, circa 1925, in an unknown location. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, logging locomotive, log train, trestle bridge.

The crew pose around an unidentified Heisler steam locomotive number 1 at an engine facility, circa 1925, likely in western Washington. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, logging locomotive, railroad crew

The crew pose with an unidentified two-truck, Climax steam locomotive number 1, circa 1925, at Wieser, Idaho. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, logging locomotive, railroad crew

Unidentified three-truck, Lima Shay steam locomotive number 1 parked in Portland, Oregon, in 1967. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive, logging locomotive.

Unidentified General Electric (GE) 45 ton diesel locomotive with side-rods, circa 1960, is parked at an unknown location. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, industrial locomotive.

Unidentified Climax steam locomotive hauling a donkey-engine on a flatcar, circa 1925, likely in western Washington. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive.

Unidentified Baldwin 2-6-0 steam locomotive number 82, coupled to a loaded flatcar in an unknown location, circa 1925, with a similar operation in the distance. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, flatcar.

Two Northern Pacific GP-9 diesel locomotives with a local freight led by 211 on a branchline in Montana. GJ Werkema collection. Other subject classes: freight train, diesel locomotive

Two freight locomotives assist Amtrak diesel locomotives at Tacoma, Washington on January 2, 1972. Two Burlington Northern GP-9's leads Amtrak train number 198 toward Union Station at Tacoma in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Turbo Train 50 at King Street Station in Seattle, Washington in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

View of tunnel portal from Port of Tillamook Bay passenger car number 55 at Tillamook, Oregon, on October 11, 1988. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, tunnel.

Tug boat 'Edith' used in construction of the SP&S Columbia River Bridge, April 10, 1908. This is a postcard image.

TTX Corporation Autorack Car RTTX 903093 at Denver, Colorado, May 11, 1968, auto rack. Other subject classes: Autorack car

Builder photo of Construction Number 1258 showing right side of Trout Creek Logging Company, Limited 26 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, July 1912. This locomotive was used for logging near Trout Creek, Ontario. Photograph by Schauble.

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

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

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

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

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

Trailer Train Company autorack car at Seattle, Washington in July 1975. An end view of new Trailer Train autorack cars shows inside details. Also next to the new ETTX car is a partially unloaded open autorack showing deck and tie down details. The end ramp of the open autorack car is extended for unloading the top level. Photo by J.M. Fredrickson. Other Subject Classes: autorack car.

Trailer Train Company autorack car at Seattle, Washington in July 1975. An end view shows side by side comparison of a new Trailer Train covered autorack car and an open autorack car. The cars a backed up against an earthen ramp. The end doors of the covered autorack are open and a steel ramp is in place to remove cars from levels 2 and 3. Photo by J.M. Fredrickson. Other Subject Classes: autorack car.

Trailer Train Company autorack car at Seattle, Washington in July 1975. An end view of autorack cars show side by side comparison of a new Trailer Train covered autorack car and an open autorack car. The cars are backed up against an earthen ramp with the end doors closed on the covered autorack. A steel ramp used to remove cars from levels 2 and 3 is also partially visible. Photo by J.M. Fredrickson. Other Subject Classes: autorack car.

Trailer Train Company autorack car number 850599 at Seattle, Washington in July 1975. A new Trailer Train autorack car is shown next to open autorack cars and up against a timber ramp. A couple of officials are standing on the ramp examining the new car. Photo by J.M. Fredrickson. Other Subject Classes: autorack car.

Trailer Train Company autorack car number 850599 at Seattle, Washington in July 1975. A new Trailer Train autorack car is shown against a timber ramp with a couple of officials examining the new car. Photo by J.M. Fredrickson. Other Subject Classes: autorack car.

Trailer Train Company autorack car number 850565 at Seattle, Washington in July 1975. Two officials are inspecting the new car. Photo by J.M. Fredrickson. Other Subject Classes: autorack car.

Trailer Train Company autorack car number 850565 at Seattle, Washington in July 1975. The photo shows a string of new Trailer Train autorack cars lettered for Burlington Northern. The end doors are open and a crewman is preparing for automobiles to be driven onto a ramp partially visible to the right. Behind the cars are open autoracks which were typical for the period. Photo by J.M. Fredrickson. Other Subject Classes: autorack car intermodal yard.

Trailer Train Company autorack car number 850565 at Seattle, Washington in July 1975. Photo by J.M. Fredrickson. Other Subject Classes: autorack car.

Trailer Train Company autorack car number 850565 at Seattle, Washington in July 1975. Two officials are inspecting the new car. Photo by J.M. Fredrickson. Other Subject Classes: autorack car.