🇺🇸 🚇 14th Street Tunnel L Train
🇺🇸 🚇 53rd Street Tunnel F Train
🇺🇸 🚇 63rd Street Tunnel M Train + LIRR
🇳🇱 🚇 Beneluxtunnel Metro Line C
🇺🇸 🚇 Clark Street Tunnel 2/3 Trains
🇺🇸 🚇 Cranberry Street Tunnel A/C Trains
🇺🇸 🚇 Joralemon Street Tunnel 4/5 Trains
🇺🇸 🚇 Montague Street Tunnel R/W Trains
🇺🇸 🚇 Steinway Tunnel 7 Train
🇬🇧 🚇 Thames Tunnel East London Line / Overground
🇺🇸 🚇 Transbay Tube BART
🇭🇰 🚇 Tsuen Wan Line MTR Tsuen Wan Line

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🇮🇳 🚇 East–West Metro Tunnel East–West Metro
🇹🇷 🚇 Marmaray Tunnel Marmaray (intercontinental rail)