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A signal warning of the stop signal ahead.
Also known as: Distant signal India, Approach warning signal India
The Indian Railways signal warning a driver of the aspect of the stop signal ahead.
Warns a driver of the aspect of the stop signal ahead on Indian Railways.
Contexts: Public information
Never shows a stop aspect itself, which is the property that distinguishes a warning signal from a stop signal in every system in this sprint.
Contexts: Public information
A signal head carrying a lamp that shows only warning aspects, never the red of a stop signal.