Crew members of the Conrail train were determined to have been smoking marijuana before the accident.
Three people were killed when a northbound Conrail train collided with the car in which they were riding, the police said today.
On Jan. 4, 1987, an Amtrak train crashed into a Conrail train in Chase, Md.
The Conrail trains are not so equipped, he said.
Officials investigating the accident said Monday night they had recovered the recording devices from the switch and the Conrail train.
A Conrail train was struck by an Amtrak passenger train near Baltimore in January, killing 16 people and injuring 175 others.
The final Conrail train between Trenton and Phillipsburg operated on November 28, 1978.
The Conrail train, a linked assembly of three freight locomotives, was to wait while the Washington-to-Boston passenger liner sped by on a parallel track.
Sixteen people were killed and tests turned up traces of marijuana in the blood and urine of the engineer and a crewman on the Conrail train.
The Conrail trains were never on time.
