Tunnel planning
The Transeuropean Transport Network TEN-T
Tunnels In Spain
| Road Tunnels: | Somport Road Tunnel | Rañadoiro | |
|---|---|---|---|
| Rail Tunnels: | Guadarrama Rail Tunnel | Pajares Rail Tunnel | |
| Urban Tunnels: | M30 Ring Madrid | L9-Metro Barcelona | Bilbao Metro |
| International Cooperation: | Euro-Asia Tunnel | CrossRail | The Riyadh Metro |
| Alpine Tunnels |
Gottard Mont Cenis |
Banner Simplon |
Lotschberg Ceneri |
