What is the proper communicating buzzer signal to stop a train while it is moving?

The proper communicating buzzer signal to stop a train while it is moving is represented by a long sound. This signal is standardized in railway operations to ensure consistent communication between crew members and to convey urgent commands clearly. A long sound effectively alerts the train operator to stop the train, prioritizing safety and facilitating immediate response to critical situations.

When the signal is given as a long sound, it is easily distinguishable from other types of signals, allowing for quick understanding in situations where immediate action is necessary. This is vital in a busy rail environment where multiple signals are in use, and clear, unambiguous communication can prevent confusion.

Understanding this signaling method is crucial for any conducting personnel to ensure the safety of both passengers and crew on board the train.