What speed does slow speed indicate?

Slow speed refers to a specific operational speed limit for trains, which is crucial for safety in various situations such as approaching switches, work zones, or in areas where visibility might be limited. In the context of train operations, a speed not exceeding 15 mph is typically defined as slow speed. This designation helps ensure that train crews can maintain control and respond quickly to any situations that may arise while operating in these sensitive areas.

Operational rules emphasize the importance of adhering to these speed limits to mitigate risks such as derailments or accidents, especially in zones where passengers may be boarding or disembarking, or where maintenance is taking place. The designation of slow speed as not exceeding 15 mph strikes a balance between operational efficiency and safety, making it a critical standard for train conductors and engineers.