Before a train leaves the terminal, the road conductor and engineer discuss instructions received from the dispatcher concerning the train's route, timetable, and cargo. While underway, conductors receive additional information by radio. This may include information about track conditions or instructions to pull off at the next available stop and let another train pass. During the run, conductors use two-way radios to communicate with engineers and conductors of other trains. They pass on instructions received from dispatchers and remind engineers of stops, reported track conditions, and the presence of other trains.
Conductors receive information from the crew regarding any equipment problems on the train.
They may arrange for defective cars to be removed from the train for repairs at the nearest station or stop. They inform dispatchers of any problems using a radio or wayside telephone. Yard conductors supervise the crews that assemble and disassemble trains. Some cars are sent to unload their cargo on special tracks, while other cars are moved to other tracks to await assemblage into new trains destined for different cities. Conductors tell engineers the make-up of trains and where to move the cars.