Tunnel, Holland Tunnel, Blackwall Tunnel, Tyne Tunnel, Thames Tunnel, Hsuehshan Tunnel, Kingsway Tunnel, Detroit–Windsor tunnel, Gotthard Tunnel, Channel Tunnel, Underwater tunnel, Transatlantic tunnel, Queensway Tunnel, Bözberg Rail Tunnel, Münden Tunnel, Atal Tunnel, Queens–Midtown Tunnel, Lötschberg Tunnel, Tunnel rat, Wind tunnel, Downtown Tunnel, Tunnel boring machine, St. Clair Tunnel, Eisenhower Tunnel, SMART Tunnel, Tunnel (disambiguation), Busk–Ivanhoe Tunnel, Japan–Korea Undersea Tunnel, George Massey Tunnel, Vielha Tunnel, Arrissoules Tunnel, Seikan Tunnel, Tunnel of Eupalinos, Dublin Port Tunnel, Chesapeake Bay Bridge–Tunnel, Merstham tunnels, Baltimore and Potomac Tunnel, O'Neill Tunnel, Eyre's Tunnel, Hakkōda Tunnel, Barnet Tunnel

Glowworm Tunnel, Lötschberg Base Tunnel, Helsinki–Tallinn Tunnel, Hoosac Tunnel, Brooklyn–Battery Tunnel, Løvstakken Tunnel, Zürichberg Tunnel, Standedge Tunnels, Cross-Harbour Tunnel, Lieråsen Tunnel, Lincoln Tunnel, Eagle's Nest Tunnel and Sha Tin Heights Tunnel, Sonamarg Tunnel, Zoji-la Tunnel, Shark tunnel, Tunnel broker, Siloam tunnel, Simplon Tunnel, State Route 99 tunnel, Baltimore Harbor Tunnel, Anzob Tunnel, Hawthorne test tunnel, Zhaishan Tunnel, Shimizu Tunnel, Joralemon Street Tunnel, Hallandsås Tunnel, Michigan Central Railway Tunnel, Finnøy Tunnel, Woodhead Tunnel, Bridge–tunnel, Tunnel Records, Tunnel warfare, Tunnel magnetoresistance, Connaught Tunnel, San Bernardino Tunnel, Päijänne Water Tunnel, Downtown Seattle Transit Tunnel, Ōhikage Tunnel, Burnley Tunnel, Port Miami Tunnel, Ülemiste Tunnel, Harecastle Tunnel, Staten Island Tunnel, Elbe Tunnel (1911), Chiltern tunnel, Dr. Syama Prasad Mookerjee Tunnel, Cascade Tunnel, Caldecott Tunnel, Jeddo Tunnel, Lyttelton Rail Tunnel

Tunnel, Holland Tunnel, Blackwall Tunnel, Tyne Tunnel, Thames Tunnel, Hsuehshan Tunnel, Kingsway Tunnel, Detroit–Windsor tunnel, Gotthard Tunnel, Channel Tunnel, Underwater tunnel, Transatlantic tunnel, Queensway Tunnel, Bözberg Rail Tunnel, Münden Tunnel, Atal Tunnel, Queens–Midtown Tunnel, Lötschberg Tunnel, Tunnel rat, Wind tunnel, Downtown Tunnel, Tunnel boring machine, St. Clair Tunnel, Eisenhower Tunnel, SMART Tunnel, Tunnel (disambiguation), Busk–Ivanhoe Tunnel, Japan–Korea Undersea Tunnel, George Massey Tunnel, Vielha Tunnel, Arrissoules Tunnel, Seikan Tunnel, Tunnel of Eupalinos, Dublin Port Tunnel, Chesapeake Bay Bridge–Tunnel, Merstham tunnels, Baltimore and Potomac Tunnel, O'Neill Tunnel, Eyre's Tunnel, Hakkōda Tunnel, Barnet Tunnel, Glowworm Tunnel, Lötschberg Base Tunnel, Helsinki–Tallinn Tunnel, Hoosac Tunnel, Brooklyn–Battery Tunnel, Løvstakken Tunnel, Zürichberg Tunnel, Standedge Tunnels, Cross-Harbour Tunnel, Lieråsen Tunnel, Lincoln Tunnel, Eagle's Nest Tunnel and Sha Tin Heights Tunnel, Sonamarg Tunnel, Zoji-la Tunnel, Shark tunnel, Tunnel broker, Siloam tunnel, Simplon Tunnel, State Route 99 tunnel, Baltimore Harbor Tunnel, Anzob Tunnel, Hawthorne test tunnel, Zhaishan Tunnel, Shimizu Tunnel, Joralemon Street Tunnel, Hallandsås Tunnel, Michigan Central Railway Tunnel, Finnøy Tunnel, Woodhead Tunnel, Bridge–tunnel, Tunnel Records, Tunnel warfare, Tunnel magnetoresistance, Connaught Tunnel, San Bernardino Tunnel, Päijänne Water Tunnel, Downtown Seattle Transit Tunnel, Ōhikage Tunnel, Burnley Tunnel, Port Miami Tunnel, Ülemiste Tunnel, Harecastle Tunnel, Staten Island Tunnel, Elbe Tunnel (1911), Chiltern tunnel, Dr. Syama Prasad Mookerjee Tunnel, Cascade Tunnel, Caldecott Tunnel, Jeddo Tunnel, Lyttelton Rail Tunnel, Clem Jones Tunnel, Lehigh Tunnel, Chicago Tunnel Company, Blanka tunnel complex, Mount Victoria Tunnel, Brenner Base Tunnel, Blisworth Tunnel, Weinberg Tunnel, Wapping Tunnel, Callahan Tunnel, Allegheny Mountain Tunnel, Kamchiq Tunnel, Sakhalin–Hokkaido Tunnel, Leipzig City Tunnel, Al Shindagha Tunnel, Abdalajís Tunnel, Perkasie Tunnel, Orhangazi Tunnel, Merritton Tunnel, Redhill Tunnel, Holland Tunnel fire, Ceneri Base Tunnel, Gotthard Base Tunnel, First Street Tunnel, Engelberg Tunnel, Tunnel construction, Cycling tunnel, Karnaphuli Tunnel, Hampton Roads Bridge–Tunnel, Uttarakhand tunnel rescue, Saigon River Tunnel, Smuggling tunnel, Bømlafjord Tunnel, Greenwich foot tunnel, Northgate Link tunnel, Mount Baker Tunnel, Landrücken Tunnel, Boßler Tunnel, Mont Blanc Tunnel, Fréjus Rail Tunnel, Baker–Barry Tunnel, Letten Tunnel, Severn Tunnel, Pound Bend Tunnel, City Tunnel (Malmö), Mersey Tunnels, Tunneling protocol, Bramhope Tunnel, Ribosomal tunnel, Jawahar Tunnel, Deliktaş Tunnel, Sarajevo Tunnel, Shanghai Yangtze River Tunnel and Bridge, Dudley Tunnel, Steinway Tunnel, Koeltztown Tunnel, Otira Tunnel, Deck Park Tunnel, Subsonic and transonic wind tunnel, Hvalfjörður Tunnel