signal bridge

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English

A signal bridge built over four tracks and supporting semaphore signals.

Noun

signal bridge (plural signal bridges)

(rail transport, US) A structure built over railroad tracks on which signals are mounted.
(nautical) An open platform by the navigating bridge of a warship for the use of signalmen.

Synonyms

(rail transport) signal gantry

References

“signal bridge”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

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