What is the required action when a train receives a "Clear" indication?

When a train receives a "Clear" indication, it signifies that the track ahead is unobstructed and the train is permitted to proceed. This indicates that there are no adverse conditions or signals that would require the train to halt or reduce speed. The term "Clear" suggests that the train can continue on its route at the allowed speed, which typically aligns with the limits set by current operating protocols or applicable regulations.

The indication provides reassurance to the engineer that it is safe to move forward without needing to stop or slow down. This is critical for maintaining efficient operations and ensuring the timely movement of trains through the network. Understanding the implications of signal indications is crucial for safe train operations, and recognizing when a train is allowed to proceed helps prevent unnecessary delays.