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

New Jersey Transit Lines diesel locomotive 4103 leads a passenger train at Hoboken, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

New Jersey Transit Lines diesel locomotive 4133 leads a train at Hoboken, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

New Jersey Transit Lines diesel locomotive 4136 leads a train at Hoboken, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

New Jersey Transit Lines diesel locomotive 4151 and 4154 lead trains at Hoboken, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive