What happens if the train encounters a signal indicating the need for an emergency stop?

When a train encounters a signal indicating the need for an emergency stop, an immediate emergency brake application is required. This action is critical for ensuring the safety of the train, its passengers, and any personnel on or near the tracks. The emergency signal acts as a directive for the engineer to quickly reduce the train's speed to prevent potential accidents or collisions.

Emergency brakes are designed to bring the train to a stop as quickly as possible, and following this procedure is essential for maintaining operational safety in rail operations. This response not only follows the established protocols but also underscores the importance of reacting promptly to unexpected situations on the track. Understanding this procedure is crucial for engineers in making split-second decisions that affect safety and operational integrity.