What is the maximum allowable speed when passing over a switch?

The maximum allowable speed when passing over a switch is 10 miles per hour. This speed limit is established to ensure the safety and integrity of train operations while traversing switches, which are critical components of railway infrastructure that allow trains to change tracks.

When trains pass over switches, which can sometimes be in different positions due to track layout or maintenance, it is crucial that they do so at a controlled speed. This reduces the risk of derailment and minimizes wear and tear on both the switch mechanisms and the train. Additionally, a speed limit of 10 miles per hour allows for adequate reaction time in the event of an unexpected situation while passing over the switch.

Understanding these speed limitations is important for maintaining operational safety and efficiency within a rail system. By adhering to this standard, tower operators and train crews can help ensure that all movements through switches are executed smoothly and safely.