What is the effect of failing to stop for an employee pick-up?

The situation depicted in the question emphasizes the responsibility of the train engineer to adhere to established safety protocols. When an employee pick-up occurs, it is crucial for the train to come to a complete stop to ensure the safety of those boarding or alighting from the train.

The choice indicating that the train engineer must stop the train on their own highlights the inherent duty of the engineer to ensure the safety of both the crew and the passengers. This reflects the operational procedures that prioritize human safety over automated systems. Such a procedure is vital in minimizing the risk of accidents and ensures that all onboard can perform their roles safely and effectively.

Stop requirements are often put in place precisely to prevent accidents that could arise from failing to allow safe access for employees. The other choices propose scenarios that either lessen the responsibility placed on the engineer or suggest alternative actions that do not align with established safety standards or train operation protocols. Thus, the emphasis on the engineer's manual responsibility is crucial and accurately embodies the essence of safety in rail operations.