Abandoned interval due to no available train or no crew.

A section of track upon which a train is NOT permitted to enter upon while it is occupied by another train. Used most often in single-track operations.

Americans with Disabilities Act. Federal law requiring handicapped access to all public spaces, including subways and buses.

Assistant Train Dispatcher.

Additional Vacation Allowance. When a holiday falls on a workday and you have to work, you can either get paid for the holiday and your normal workday pay or you can save the holiday- meaning no extra [..]

Brakes in Emergency. Refers to an unwanted application of the train's emergency air brakes.

Brake Cylinder Cut-out. Used to vent the brake cylinder air in a car to prevent an application of brakes.

Blower - Compressor - Overhead Heat. The order in which HVAC circuit breakers are to be turned on in order to ensure proper operation.

Brotherhood of Locomotive Engineers.

Brotherhood of Locomotive Engineers.