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A token being offered by a signalman on the Keighley & Worth Valley Railway
A token being offered by a signalman on the Keighley & Worth Valley Railway
Examples of single line tokens: Tablet on left, key token on right
Examples of single line tokens: Tablet on left, key token on right
One Train Only token used by Indian Railways
One Train Only token used by Indian Railways
Electric staff instruments manufactured by Webb and Thompson
Electric staff instruments manufactured by Webb and Thompson
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A Class 66 locomotive (right) is waiting at a red signal while a First Great Western passenger train (left) crosses its path at a junction.
A Class 66 locomotive (right) is waiting at a red signal while a First Great Western passenger train (left) crosses its path at a junction.
A block signal and a 130 km/h speed limit at kilometer post 547 in Iisalmi, Finland
A block signal and a 130 km/h speed limit at kilometer post 547 in Iisalmi, Finland
Short signal blocks on the Toronto Transit Commission subway system. A train (not visible) has just passed the most distant, leftmost signal, and the
Short signal blocks on the Toronto Transit Commission subway system. A train (not visible) has just passed the most distant, leftmost signal, and the two most distant signals are red (stop and stay aspect). The next closest signal is yellow (proceed with caution), and the nearest signal shows green (proceed).
Traditional mechanical signals on display at a railway station in Steinfurt, Germany
Traditional mechanical signals on display at a railway station in Steinfurt, Germany