- Semmering Railway and Rax
- Semmering Railway | Krauselklause Viaduct
- Semmering Railway | Krauselklause Viaduct
- Col du Galibier | Tunnel du Galibier
- Aosta Valley with Leverogne and Arvier
- Brig | Simplon Tunnel
- Brig | Simplon Tunnel
- Lötschberg Railway | Lüegilkin Viaduct
- Lötschberg Railway | Lüegilkin Viaduct
- Lötschberg Base Tunnel | Southern entrance