What is the oldest road tunnel in the United States?

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 Twin Bores 15, 1968, and was completed five years later on Mar. 8, 1973. The Eisenhower Tunnel celebrates a big milestone of Connecting Colorado for 50 Years as of March 8, 2023. This bore was originally called the Straight Creek Tunnel, and later was officially named the Eisenhower Memorial Bore.

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The Background Story of Reigate Tunnel. In July 2023, Reigate's tunnel reaches the ripe old age of 200 years. It is the oldest road tunnel in England (and probably UK and Europe). It is about 55 yards long and was designed by William Constable (1783-1861).

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The first tunnel built whose engineer is known was excavated in the island of Samos. The engineer Eupalinos de Megara, built this tunnel in the 530 b.C to supply with water the capital of the island and was, with its 1 km length, considered as one of the three marvels of the helenic world.

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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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The Thames Tunnel, the world's first underwater tunnel, is still in use 175 years after its long-delayed opening, but you can't shop there anymore. The icon indicates free access to the linked research on JSTOR.

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The Ridgeway: Avebury to Goring For, at least 5,000 years and maybe many more, people, including drovers, traders and invaders, have walked or ridden The Ridgeway.

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Both the cavernous subway tunnel underneath Boston's City Hall Plaza and the abandoned trolley passages below Washington, D.C.'s Dupont Circle were decommisioned in the 1960s. Los Angeles also has its own extensive network of abandoned tunnels, including its first subway, the Red Line downtown.

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Fritchley Tunnel is a disused railway tunnel at Fritchley in Derbyshire, England, which is believed to be the oldest surviving example in the world. The tunnel was constructed in 1793 by Benjamin Outram as part of the Butterley Gangroad, altered in the 1840s, and remained in use until the railway closed in 1933.

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Also known as the Cobble Hill tunnel, the half-mile Atlantic Avenue tunnel is not only the oldest subway tunnel in NYC but also the world. Running beneath Brooklyn's Atlantic Avenue, it was first built in 1844 and was sealed off in 1861.

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Britain's first motorway, the Preston by-pass, opened in 1958. Designed by Lancashire County Council under civil engineer Sir James Drake – regarded as the pioneer of the UK motorway network – it's now part of the M6. The next 10 years saw UK's network expand as hundreds of miles of motorway were built.

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At 410 miles the A1 is Britain's longest road, connecting London to Edinburgh. The A14 meets the A1 at Brampton in Cambridgeshire and, as part of the A14 project, Highways England has widened it from two lanes to three in both directions between Alconbury and Buckden and built a redesigned junction at Brampton Hut.

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Hardknott Pass is a hill pass between Eskdale and the Duddon Valley in the Lake District National Park, Cumbria, England. The tarmac-surfaced road, which is the most direct route from the central Lake District to West Cumbria, shares the title of steepest road in England with Rosedale Chimney Bank in North Yorkshire.

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The Kingsway Exchange Tunnels, some 40 meters below Chancery Lane tube station in High Holborn, were built in the 1940s to shelter Londoners from the Blitz bombing campaign during World War II.

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