What action should be taken if a signal changes to Restricting or Stop?

When a signal changes to Restricting or Stop, the appropriate action is to stop as soon as possible without endangering the movement. This is essential for safety in railway operations. Stopping promptly prevents potential collisions or accidents by ensuring that the train is not proceeding into a situation where it could encounter danger.

It’s important to consider that stopping should not be abrupt enough to cause instability or harm, which is why the instruction specifies to stop without endangering the movement. This means taking caution to halt the train safely while also being aware of the environments and conditions surrounding the operation.

Other choices may imply that the train continues moving or delays action, which could lead to unsafe situations on the rail network. For instance, continuing to move without proper caution can compromise safety protocols, while waiting for instructions could lead to uncertainty and delay in response to potential hazards. Checking for other trains is a wise practice but is secondary to the immediate response required when a signal indicates Restricting or Stop. Therefore, the correct action emphasizes the priority of safety by ensuring a prompt and controlled stop.