If a train is stopped at a stop signal in ABS territory and the dispatcher cannot be reached, what should the crew do?

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The choice to move 100 feet past the signal and then wait for 5 minutes before proceeding at restricted speed is based on the operating procedures in Automatic Block Signal (ABS) territory, which are designed to ensure safety while addressing situations where communication with the dispatcher is not possible.

When a train is stopped at a signal, the crew must prioritize safety. By moving 100 feet past the signal, the crew is taking a cautious approach to ensure that they do not block the signal indefinitely. The waiting period of 5 minutes allows time for any potential communication loss to be rectified, or for the dispatcher to regain contact. If no contact is made within that time, proceeding at restricted speed allows the crew to continue while maintaining safety protocols. This means they will be vigilant and prepared to stop for any unforeseen circumstances.

In the context of these procedures, waiting indefinitely at a stop signal without attempting further action can lead to operational inefficiencies and safety concerns. Reverse movement to the previous signal could be dangerous without knowledge of the track ahead. Contacting the nearest station for instructions might not be feasible if there's no available means of communication. Hence, the chosen option promotes a proactive and safe way for the crew to handle a situation where they cannot reach the dispatcher.

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