RAILWAY TUNNEL

SN A tunnel running under a river or a hillside through which a railway line runs.
CL TRANSPORT
BT RAILWAY TRANSPORT SITE
NT UNDERGROUND RAILWAY TUNNEL
RT RAILWAY TUNNEL PORTAL
TRAMWAY TUNNEL
TUNNEL
VENTILATION SHAFT

 
 

RAILWAY TUNNEL

SN A tunnel running under a river or a hillside through which a railway line runs.
CL TRANSPORT
BT TRANSPORT TUNNEL
NT UNDERGROUND RAILWAY TUNNEL