What does the illuminated sign represent for a 10-car train?

The illuminated sign indicating that a 10-car train can resume normal speed is essential for train operator safety and efficiency. When a train approaches a zone where it must have reduced speed due to curves, track work, or other operational considerations, visual cues are necessary for train operators to adjust their driving accordingly. Once the train has passed through the area needing attention and the illuminated sign conveys that normal speed can resume, it ensures that the train can continue to operate efficiently without unnecessary delays, thereby maintaining the schedule and service reliability.

Understanding this aspect is crucial for train operators, as adhering to speed regulations is pivotal for safety and operational effectiveness. Resuming normal speed at the correct point enhances the flow of rail traffic and ensures that all safety protocols are observed, contributing to the overall safety and punctuality of rail services.