road tunnel
C4139
concept
A road tunnel is an underground or enclosed passageway constructed to allow vehicular traffic to pass through obstacles such as mountains, hills, or urban areas while maintaining a continuous roadway.
All labels observed (19)
| Label | Occurrences |
|---|---|
| road tunnel canonical | 133 |
| highway tunnel | 25 |
| underwater tunnel | 19 |
| vehicular tunnel | 15 |
| undersea tunnel | 11 |
| tunnel | 9 |
| subaqueous tunnel | 8 |
| subsea road tunnel | 7 |
| motorway tunnel | 5 |
| toll tunnel | 5 |
| highway tunnel bore | 1 |
| immersed tube road tunnel | 1 |
| road tunnel project | 1 |
| road tunnel scheme | 1 |
| road tunnel system | 1 |
| toll road tunnel | 1 |
| transmountain tunnel | 1 |
| tunnel in Italy | 1 |
| 道路トンネル | 1 |