signal box
noun[C]
UKuk/ˈsɪɡ.nəl ˌbɒks/us/ˈsɪɡ.nəl ˌbɑːks/(USsignal tower)abuildingfrom whichrailwaysignalsareoperated
（铁路上的）信号房，信号楼Railways & railway lines
- Amtrak
- artery
- branch line
- buffer
- electrify
- funicular
- grade crossing
- junction
- light rail
- light railway
- metro
- monorail
- railroad
- railroad tie
- RR
- siding
- signal
- switch
- switchback
- track