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