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A black bar behind a white circular screen.
Also known as: Repeater signal, Bar repeater
A British signal repeating the aspect of a signal ahead that a driver cannot yet see, showing a bar horizontal for on and inclined for off.
Repeats the aspect of a signal ahead which curvature, a bridge or a platform prevents a driver from seeing in time.
Contexts: Public information
Carries no authority of its own: it reports another signal's state and cannot itself be passed at danger, because it is not a signal a train is stopped by.
Contexts: Public information
A circular screen carrying a straight bar across it, the bar lying horizontal when the signal ahead is on and inclined when it is off.