signal box

American  

noun

British.

1. a railway signal tower.

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signal box British  

noun

1. a building containing manually operated signal levers for all the railway lines in its section

2. a control point for a large area of a railway system, operated electrically and semiautomatically

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Etymology

Origin of signal box

First recorded in 1820–30

Example Sentences

The damaged signal box, built in 1872, is Grade II-listed and is only a small number on the British network that is attached to a terraced house rather than freestanding.

From BBC

The organization, in conjunction with the Seattle Department of Transportation, put up maps within signal boxes around T-Moblie Park to inform fans where they are and how they can get places.

From Seattle Times

At about the same time Mrs Bain, 60, went to the level crossing in Oakham to ask the person in the signal box to look out for Poppy.

From BBC

I sat on top of the streetlight signal box at the QFC and waved.

From Seattle Times

"He noticed their equipment so he invited them into the signal box to have a cup of tea," he said.

From BBC