Amtrak passenger train near Newark, New Jersey in April 1988. Photo taken from a PATH train. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak passenger train near Newark, New Jersey in April 1988. Photo taken from a PATH train. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Consolidated Rail Corporation (Conrail) diesel locomotive 3274 leads a train at Newark, New Jersey in April 1988. Conrail train photo taken while riding a PATH train north of Newark, New Jersey in 1988. Photo by J.M. Fredrickson. Other Subject Classes: freight train

Consolidated Rail Corporation (Conrail) diesel locomotive 3336 at Newark, New Jersey in April 1988. Conrail photo taken while riding a PATH train north of Newark, New Jersey in 1988. Photo by J.M. Fredrickson. Other Subject Classes: freight train

Consolidated Rail Corporation (Conrail) diesel locomotive 3398 at Newark, New Jersey in April 1988. Conrail photo taken while riding a PATH train north of Newark, New Jersey in 1988. Photo by J.M. Fredrickson. Other Subject Classes: freight train

Port Authority of New York and New Jersey Trans-Hudson River (PATH) diesel locomotive north of Newark, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Port Authority of New York and New Jersey Trans-Hudson River (PATH) electric locomotive north of Newark, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive