|
ROAD TUNNEL |
|
| SN | A tunnel running under a river or through a hill along which vehicles may travel. |
| CL |
TRANSPORT |
| BT | ROAD TRANSPORT SITE |
| RT |
FLYOVER
ROAD ROAD BRIDGE ROAD TUNNEL PORTAL TUNNEL UNDERPASS VENTILATION SHAFT
|
|
ROAD TUNNEL |
|
| SN | A tunnel running under a river or through a hill along which vehicles may travel. |
| CL |
TRANSPORT |
| BT | TRANSPORT TUNNEL |
| RT |
TUNNEL
|