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Channel Tunnel: English Channel, United Kingdom/France 50,450 m (31.348 mi) 1994 Second longest railway tunnel until 2016. Longest underwater section, longest international tunnel (2×45 m 2 + 1×18 m 2), running between Folkestone, Kent, and Coquelles, Pas-de-Calais. Railway Single Tube Yulhyeon Tunnel: Seoul Capital Area, South Korea
The objective was to construct two 7.6 m-diameter (25 ft) rail tunnels, 30 m (98 ft) apart, 50 km (31 miles) in length; a 4.8-metre-diameter (16 ft) service tunnel between the two main ones; pairs of 3.3 m (10 ft 10 in)-diameter cross-passages linking the rail tunnels to the service tunnel at 375 m (1,230 ft) spacing; piston relief ducts 2 m (6 ...
Arpa-Sevan Tunnel [45] Armenia (at the time of construction USSR) 48.3 km (30.0 mi) 1981 Water supply #1 Tunnel, Yellow River Diversion to Shanxi North Line Shanxi, China 43.7 km (27.2 mi) 2011 Water supply #7 Tunnel, Yellow River Diversion to Shanxi South Line Shanxi, China 43.5 km (27.0 mi) 2002 Water supply High Island Water Tunnels
By way of comparison, the 50-kilometer (31-mile) Channel Tunnel linking England and France, completed in 1993, cost the equivalent of £12 billion ($13.6 billion) in today’s money.
High Speed 1, the line from London to the Channel Tunnel in Kent has even more capacity – it could triple the number of trains and still have room for more. But it all depends on new entrants ...
Kaole Tunnel China 14.659 km (9.109 mi) 2027 Lanzhou-Hezuo Railway: Tongbaiyuan No1 Tunnel China 14.616 km (9.1 mi) 2028 Yan'an-Yulin-Ordos High Speed Railway: Hiyoshi Tunnel [71] Japan 14.532 km (9.0 mi) 2027 Chūō Shinkansen Linjiashan Tunnel China 14.530 km (9.029 mi) 2026 Xi'an-Ankang HSR: Yujialiang Tunnel
“The blocking of the tunnel under the Channel is unacceptable. A solution must be found immediately,” he posted on X before the strike action ended. ... The 1 ingredient that makes roast ...
Length in km (mi) Year of completion Lines 3-11: Suzhou Metro China: Line 3 and Line 11 are connected at Weiting Station with through trains passing by. 86.54 km (53.77 mi) 2019–2023 Line 6: Chengdu Metro China: Wangcong Temple – Lanjiagou: 68.2 km (42.4 mi) [1] 2020 Line 3: Guangzhou Metro China: Haibang – Airport North: 68.2 km (42.4 mi ...