Do flashing green signals appear when the ATC Bypass is engaged?

Flashing green signals are not displayed when the ATC (Automatic Train Control) Bypass is engaged. The ATC Bypass mode typically occurs when the train's automatic control functions are temporarily overridden, allowing the driver to have manual control of the train's operations. During this mode, specific signals are designed to indicate that the system is bypassed, which helps maintain safety as the train transitions from automated to manual control.

In standard operation, flashing green signals serve a different purpose, indicating that the train is clear to proceed within the normal parameters of the ATC system. However, engaging the Bypass mode alters the signaling protocol to ensure that operators are aware of the shift in control, hence the absence of flashing green signals during that time.

Signals in the rail system are carefully designed to convey critical information about operational status and safety measures, emphasizing the importance of clear visual indicators aligned with the train's operational state.