The Longest Underwater Tunnel in the World - The Chunnel Tunnel Documentary
The Channel Tunnel (French: Le tunnel sous la Manche; also described as the Chunnel) is a 50.5-kilometre (31.4 mi) rail passage connecting Folkestone, Kent, in the United Kingdom, with Coquelles, Pas-de-Calais, near Calais in north France, beneath the English Channel at the Strait of Dover. At its most affordable point, it is 75 m (250 feet) deep. At 37.9 kilometres (23.5 mi), the passage has the longest undersea part of any sort of tunnel in the world, although the Seikan Tunnel in Japan is both longer overall at 53.85 kilometres (33.46 mi) and deeper at 240 metres (790 feet) below sea degree. The speed restriction in the passage is 160 kilometres each hour (99 miles per hour). The passage brings high-speed Eurostar passenger trains, the Eurotunnel Shuttle for road cars-- the biggest such transport worldwide-- and worldwide products trains. The tunnel attaches end-to-end with the LGV Nord and High Speed 1 high-speed train lines. Suggestions for a cross-Channel repaired hyperlink appeared as early as 1802, but British political and press stress over the compromising of national safety stalled efforts to construct a tunnel.
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