Back #129
ABTH 102.13
Answer: - Engines without cars - A local train that weighs 3,000 tons operating on .5% grade and is traveling a distance that can be operated by a single crew in a single tour of duty
Feedback:Trains designated as key trains must have the capability to initiate an emergency brake application from the rear of train. Key train status can change over the course of a trip due to setouts and pickups made en route. It is the responsibility of the train crew to know the key train status.