Amtrak diesel locomotive 200, an F40PH EMD SN 757099-1 at New London, Connecticut in March 1976. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 200, n F40PH EMD SN 757099-1 at New London, Connecticut in March 1976. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 200 at New London, Connecticut on January 24, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 200 leads an Amtrak train at Old Saybrook, Connecticut on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 202 at Groton, Connecticut on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 209 at Old Saybrook, Connecticut on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 213 at New London, Connecticut on January 24, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak passenger train at New London, Connecticut on January 25, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak rail diesel car 18 at Old Saybrook, Connecticut on January 29, 1977. Amtrak 18 is ex Penn Central 68 and ex New Haven 32. Photo by J.M. Fredrickson. Other Subject Classes: rail diesel car

Amtrak rail diesel car 18 at Old Saybrook, Connecticut on January 29, 1977. Amtrak 12 is ex Penn Central 38 and ex New Haven 38. Photo by J.M. Fredrickson. Other Subject Classes: rail diesel car

Amtrak rail diesel cars 12 and 18 at Old Saybrook, Connecticut on January 29, 1977. Amtrak 12 is ex New Haven 38. Photo by J.M. Fredrickson. Other Subject Classes: rail diesel car

An Amtrak passenger train at Old Saybrook, Connecticut on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Connecticut Valley Railroad diesel locomotive 7145 at Essex, Connecticut on January 28, 1977. Number 7145, an 80-Ton model was built by General Electric 1942. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Connecticut Valley Railroad electric locomotive 121 at Essex, Connecticut on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

Connecticut Valley Railroad passenger car number 409 at Essex, Connecticut on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: passenger car

Connecticut Valley Railroad steam locomotive 103 on display at Essex, Connecticut on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

New Haven Railroad interlocking tower at Old Saybrook, Connecticut, on January 28, 1977. Railroad interlocking tower at Old Saybrook Connecticut in 1977 Photo by J.M. Fredrickson. Other Subject Classes: interlocking tower

Penn Central Railroad diesel locomotive 7662 at New London, Connecticut on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Standard Steel Works Company saddle-tank steam locomotive number 10 on display at Connecticut Valley Railroad in Essex, Connecticut on January 28, 1977. Number 10 was built by Baldwin in 1934. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Valley Railroad Company General Electric (GE) 80-ton diesel locomotive number 0800 at the engine facility in Essex, Connecticut, on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.