What action is required when radio communication fails?

When radio communication fails, the appropriate action is to perform duties related to railroad operation, which often includes other communication methods and safety protocols that ensure continued safe operation of the train or rail service. This can involve using visual signals, horn signals, or following predetermined procedures established for such situations.

Maintaining safety is paramount, and this choice reflects the continuous responsibility of the personnel to adapt and ensure operations proceed smoothly, even in the absence of radio communications. Personnel on the train or at the dispatch center must remain vigilant and utilize other operational procedures to mitigate any risks posed by the communication failure. This choice incorporates the critical need to stay alert and responsive, which is essential in maintaining safety on the railroad.