Under identification procedures, which statement accurately describes the required identification?

• A. Initials alone
• B. Engine number alone
• C. Train name and destination
• D. Initial and number of the engine

Answer: (D)

Identification procedures require tying a specific person to a specific piece of equipment so there is no ambiguity about who is operating what. Using only initials doesn’t tell you which locomotive is involved, and a locomotive’s engine number alone tells you which engine it is but not who is handling it. Listing the train name and destination describes the service, not the particular locomotive or operator, so it can’t guarantee precise accountability. The combination of the operator’s initials and the engine number clearly identifies both the person in charge and the exact engine, providing a unique reference for safety checks, handoffs, and records.