signal box
US /ˈsɪɡ.nəl ˌbɑːks/
UK /ˈsɪɡ.nəl ˌbɑːks/

1.
신호소, 신호실
a building beside a railway line from which signals and points are operated
:
•
The train driver saw the green light from the signal box.
기관사는 신호소에서 녹색 신호를 보았다.
•
The old signal box is now a museum.
오래된 신호소는 이제 박물관이야.