Electric Switch Lock: An electrically controlled lock device affixed to a hand operated switch or derail to control its use. 

Emergency Application: An application resulting from an emergency rate of brake pipe reduction which causes the brakes to apply quickly and with maximum braking force for the shortest practical stopping distance. 

Emotional Distress: Mental anguish.

Engine Whistle Signals: means a short blast of the whistle or horn; means one long blast 

Engine: A unit propelled by any form of energy, or a combination of such units operated from a single control, used in train or yard service. 

EOT: End Of Train unit. An EOT transmits brake pipe pressure to the lead unit (head end locomotive), while a two way EOT is also capable of receiving a transmission from the lead unit to open the brake pipe and put the train into emergency stop. 

Equitable Remedies: Remedies that do not include monetary settlements. Examples include injunctions and restraining orders.

Evidence: The body of law concerning the manner of presentation of information to a judge or jury in a trial.

Exhibit: Any piece of physical evidence used at a trial.

Expert: A witness who may give an opinion in court based on the particular competence of that witness.

Extra Train: A train not authorized by timetable schedule. It may be designated.