When a signal indicates to proceed, what must the train operator remain prepared for?

When a signal indicates to proceed, the train operator must remain prepared for unexpected stops. This is essential because, even with a signal to proceed, there may be unforeseen circumstances ahead, such as obstacles on the tracks, equipment failures, or signals within the same railway network that may change suddenly.

The operator should always anticipate the possibility of needing to stop quickly, ensuring they are vigilant and attentive to the environment and any signals that may affect train movement. This preparedness is critical for maintaining safety for both the passengers and the crew, as well as for adhering to operational protocols. It emphasizes the need for constant situational awareness, even when the signal seems to indicate it's safe to move forward.

While increased speed, changing tracks, and passenger boarding are important aspects of train operations, they pertain to specific scenarios rather than the immediate and ongoing need for readiness in the face of potential hazards or unexpected conditions while in motion.