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Ffestiniog Tunnel: Railway: 3,407: 3726: UK's longest single-track tunnel, in use on the Conwy Valley Line: 1879 Monmouthshire & Gloucestershire: Severn Tunnel: Railway: 7,012: 7668: Longest mainline tunnel in the UK until 2007 when tunnels on High Speed 1 opened: 1886 Monmouthshire: Gibraltar Tunnel: Road: 185: 202: Twin bore on A40 dual ...
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The world's first underground tube railway. A rail tunnel for 3 months only, then a foot tunnel. Currently carries pipes and fibre-optic lines. Northern Line (Bank branch) tunnels Railway tunnel: London Bridge tube station, Bank and Monument stations: 1900: Northern line (Bank branch) City & South London Railway tunnels Railway tunnel
The Bromford tunnel is a high-speed railway tunnel under construction in North Warwickshire and Birmingham, England, and will serve to bring the High Speed 2 rail line into Birmingham upon completion. The 5.6 km (3.5 miles) twin-bore tunnels will be situated between Water Orton and Washwood Heath.
Sandsend Tunnel; Sapperton Railway Tunnel; Severn Tunnel; Severn tunnel (1810) Shakespeare Tunnel; Shugborough Tunnel; Singleton and Cocking Tunnels; Snow Hill tunnel (Birmingham) Somerton Tunnel; Southampton Tunnel; Spinkhill Tunnel; Stepney Green cavern; Stoke Tunnel (Ipswich) Stoke Tunnel (Lincolnshire) Stowe Hill Tunnel; Sugar Loaf Tunnel
The tunnel is 7,008 m (4.355 mi) long, although only 3,621 m (2.250 mi) of its length are under the river. It was the longest underwater tunnel in the world until 1987—when Japan’s Seikan Tunnel linking the islands of Honshu and Hokkaido took the title—and, for more than 100 years, it was the longest mainline railway tunnel within the UK.
Only the 1894 rail tunnel is in use but all three rail tunnels are maintained. [4] In 1966, the 1848 single-track rail tunnel was closed followed by the 1871 single-track tunnel in 1970. The 1848 tunnel provides an emergency escape route for the other tunnels and has been made accessible to road vehicles such as fire engines and ambulances. [20]
The North Downs Tunnel, also known as the Blue Bell Hill Tunnel, is a railway tunnel that carries High Speed 1 through the North Downs, at Blue Bell Hill near Maidstone in Kent, south-east England. The tunnel is 3.2 kilometres (2 mi) long, [ 1 ] with an internal diameter of 12 metres (40 ft) and a cross-sectional area (CSA) of 150 square metres ...