What is the second longest canal tunnel in the UK?

Blisworth Tunnel (2,794 metres/3,056 yards) At 1.74 miles long, Blisworth Tunnel on the Grand Union Canal at Stoke Bruerne in Northamptonshire is the second longest navigable tunnel on the canal system. Construction began in 1793, and it was opened in 1805.



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Detroit-Windsor Tunnel It is the third oldest underwater vehicle tunnel in the United States or Canada. It stands behind only New York/New Jersey's Hudson River-crossing Holland Tunnel (completed in 1927) and the Posey Tube (completed in 1928), which connects Alameda and Oakland, California.

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Gotthard Tunnel with Italian and German interests. After 10 years of excavation, marked by labour unrest and the death of some 167 workers, the 9.3-mile (15-km) tunnel—then the world's longest—opened in 1882. Thus, the cantons of Uri and Ticino were connected by rail, and…

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Norway, which is considered the world's leader in tunnelling, has a whopping 900 tunnels, including the world's longest road tunnel.

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That's right, the Union Canal Tunnel, located in Lebanon, PA is considered the oldest transportation tunnel in the United States, having been completed in 1827.

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Construction began in 1792 during the George Washington Administration. Union Canal Tunnel is the oldest tunnel in America. It is recognized as the oldest existing transportation tunnel in the United States by the American Society Of Civil Engineers (ASCE).

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The Union Canal Tunnel, owned and operated by the Lebanon County Historical Society, is the oldest existing transportation tunnel in the United States. From 1827 to 1885 the Union Canal linked the commercial centers of Harrisburg, Reading, and by extension, the port of Philadelphia.

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The Howard Tunnel is located near Seven Valleys, Pennsylvania. In operation since 1838, it is the second oldest active rail tunnel in the U.S. Originally constructed by the York and Maryland Line Rail Road, it formed a critical link in the north-south line assembled by the Northern Central Railway.

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underpass, subway - an underground tunnel or passage enabling pedestrians to cross a road or railway.

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