What is the method for passing an Interlocking Signal displaying Stop?

The method for passing an Interlocking Signal displaying Stop involves using verbal instructions such as Part 241 or a train order. This procedure is established to ensure safety and clarity when a train encounters a stop signal. When the signal displays stop, it indicates the need for the train to halt and await further instructions.

By utilizing a verbal directive, the crew can receive explicit permission from the dispatcher or control operator to proceed past the stop signal, ensuring that proper safety protocols are followed. This method not only maintains communication but also reinforces adherence to established operating rules that dictate how to safely navigate signals indicating a stop.

In contrast, other options may suggest impractical or unsafe actions. For instance, manual override of the signal is generally not permitted, as it could create unsafe conditions by undermining the signaling system designed to govern train movements. Waiting for a clearance signal is more of a standard protocol rather than a method of passing a stop signal, as the focus here is on the immediate need for communication through verbal instructions. Proceeding at caution until cleared may lead to misunderstandings and safety issues, as it does not involve explicit permission to pass the signal. Therefore, the correct answer focuses on following established communication protocols to ensure safe train operations.