During operations, what action should be taken when receiving a caution signal?

Receiving a caution signal indicates that the train operator should reduce speed and be prepared to stop if necessary. The appropriate action in this situation is to proceed cautiously. This means that the operator should be vigilant, maintaining a low speed while being prepared to respond to any further signals or changes in the track conditions.

Proceeding cautiously ensures that the operator can react quickly if the situation changes or if they encounter an obstacle ahead. It's essential for maintaining safety on the railways, as caution signals often indicate potential hazards or the need to approach a restricted area where additional care is needed. This response aligns with standard practices in train operations, focusing on safety and readiness.

Maintaining current speed does not account for the warning inherent in a caution signal, which could lead to dangerous situations if unexpected obstacles arise. Stopping completely might disrupt the flow of operations unnecessarily unless dictated by further signals. Ignoring the caution signal could lead to significant safety risks, compromising both the train operator's and passengers' safety. Therefore, proceeding cautiously is the correct approach to ensure a safe and controlled response to a caution signal.