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The west portal. Box Tunnel passes through Box Hill on the Great Western Main Line (GWML) between Bath and Chippenham.The 1.83-mile (2.95 km) tunnel was the world's longest railway tunnel when it was completed in 1841.
Tunnel Construction. Tunnels are dug in types of materials varying from soft clay to hard rock. The method of tunnel construction depends on such factors as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logistics of supporting the tunnel excavation, the final use and shape of the tunnel and appropriate risk management.
Box Primary School The Blind House lock-up (early 18th century) [48] Box is home to Box Church of England Primary School. The earliest school was established near the church in 1708; the present building on the High Street, with attached house, is from 1875. [49] Pevsner describes it as "Gothic, with a terrible, spindly tower". [50]
A tunnel is an underground passageway with no defined minimum length, though it may be considered to be at least twice as long as wide. Some government bodies define a tunnel as 150 metres (0.093 mi) in length or longer. [1] A tunnel may be for pedestrians or cyclists, for general road traffic, for motor vehicles only, for rail traffic, or for ...
Box Tunnel: 1 mile 1,452 yards (2.937 km) 99 miles 12 chains (159.6 km) – 100 miles 78 chains (162.5 km) Between Chippenham and Bath Spa: Middle Hill Tunnel 198 yards (181 m) 101 miles 39 chains (163.3 km) – 101 miles 48 chains (163.5 km) Sydney Gardens East Tunnel 77 yards (70 m)
[219] [220] Construction started in December 2014 and was nearing completion as of July 2017, though funding disputes stalled the tunnel box's completion. [221] The tunnel box was substantially complete by November 2017. [222] The following phase would extend the casing between 11th and 12th Avenue as the development of Hudson Yards continues ...
Box Tunnel in England, which opened in 1841, was the longest railway tunnel in the world at the time of construction. It was dug by hand, and has a length of 2.9 km ...
a bridge–tunnel carrying monorail Great Belt Fixed Link: 1997 Denmark Zealand and Funen Great Belt: includes a railway tunnel, bridge–tunnel transition uses natural island Øresund Bridge: 2000 Denmark/Sweden Copenhagen and Malmö: Øresund/Öresund: includes a railway tunnel Shanghai Yangtze River Tunnel and Bridge: 2009 China