Meaning of signal box | Babel Free

Definitions

1. A building, typically adjacent to or spanning a railway line, from where signals, points and (sometimes) level crossings are controlled.
2. The alarm-box of a police or fire alarm system.

Equivalents

Examples

“This includes plans to run earlier [Sunday] services on the Derby to Crewe and Skegness routes, which will require Network Rail to open signal boxes on these lines earlier than at present.”

CEFR level