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Construction of platform tunnels at Whitechapel Station.Crossrail workers are making good progress on building 26 miles (42km) of tunnels beneath the capital. .The new Crossrail route includes a 26 mile (42km) section of tunnels beneath London. Five huge tunnelling machines are now in operation in west, east and southeast London with over 5½ miles (9km) of tunnels now built. Tunnelling is also well underway beneath central London station sites using Sprayed Concrete Lining 'mining'...
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