Where must crew members be stationed when cars are being pushed?

Crew members must be stationed in a conspicuous position on the leading car when cars are being pushed to ensure safety and effective communication. This position allows crew members to have an unobstructed view of the tracks ahead, enabling them to observe any potential hazards, signals, or other important visual cues that may affect the movement of the train. Being in a conspicuous position also facilitates clear communication with the engineer, which is essential for coordinating actions during operation.

For safety purposes, it’s critical that crew members can readily see what's ahead of the train and have the ability to signal to the engineer promptly in case of any issues. This setup minimizes the risk of accidents while the train is in motion.

Positions such as being at the rear of the train or on the ground next to the train would limit the crew's ability to see and react to any imminent dangers. Similarly, remaining in a maintenance vehicle would not provide the required visibility or control necessary for the safety of the operation.