signal bridge

English

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

Noun

signal bridge (plural signal bridges)

1. (rail transport, US) A structure built over railroad tracks on which signals are mounted.
2. (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.