The World's longest tunnel page - Subaqueous Railway Tunnels

**Subaqueous Railway tunnels**
Country	Tunnel	Length	Year completed
England - Wales	Severn	7 008 m	1886
Canada - USA	St. Clair, Grand Trunk railway, Port Huron (single tube)	1 835 m	24.10.1891
USA	Hudson River, New York, 2 tubes (shield)	1 730 m	1905
Canada - USA	Detroit River, Windsor (World's oldest immersed steel tube)	2 557 m	10.1910
Japan	Kanmon (2 single track tubes)	3 613 m	1942/1944
USA	San Francisco Trans-Bay (immersed tube)	5 600 m	1974
Japan	Shin Kanmon (pdf)	18 716 m	1975
Japan	Sei-kan (Tsugaru kaikyo)	53 850 m	1988
England - France	Channel tunnel	50 450 m	1994
Canada - USA	New St. Clair (Sarnia, Ontario - Port Huron, Michigan)	1 870 m	05.05.1995
Denmark	Storeb�lt	8 024 m	1997
Denmark	�resund (immersed tube Denmark-Sweden)	4 050 m	2000
Turkey	Marmaray Rail Tube Istanbul. (1400 m immersed tube, -55 m)	13 600 m	2010

**Some projects for the** **future**?
Country	Tunnel	Length
China	Mainland - Taiwan	125 km
Estonia - Finland	Tallin - Helsinki	54 - 80 km
Finland - Sweden	Ume� - Vaasa	25 - 48 km
Ireland - Wales	Dublin - Holyhead, Irish Sea	95 km
Japan - Korea	Tsushima-kaikyo (Strait) and Korean Strait	55 + 65 km
Russia - Ukraine	Kerch Strait (Krasnodar - Krym)	45 000 m
Marokko - Spain	Gibraltar	38.7 km
Russia	Sakhalin (Tunnel under Tatarskij Proliv) Stalin's forced-labor project to link Sahalin to the mainland, abadoned after a few km, at present intent but no money to finish it	10 - 20 km
Russia - USA	Bering Strait	74.4 km

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This page was last modified on January 04, 2007