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Front #346
GCOR 5.8.4
When can whistle signal (#7) be designated within whistle quiet zones approaching public crossings?
During an emergency
A train is approaching roadway workers
Automatic warning devices are malfunctioning or out of service
Answer: -Automatic warning devices are malfunctioning or out of service -During an emergencyFeedback: Whistle signal (7) can be designated within whistle quiet zones approaching public crossings only when it is necessary to provide warning during an emergency, when automatic warning devices are malfunctioning or out of service, or when the whistle quiet zone is not in effect.