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Nina Lovelace and Diarmaid Fleming


  • London Tube tunnels flex to let CTRL drive belowSubscription

    1 January, 2003Updated: 19 February, 2009

    LONDON UNDERGROUND has carried out special works to its Central Line tunnels near Stratford in east London so they can 'flex' as an 8.15m diameter section of Channel Tunnel Rail Link is bored eastward as little as 4m below it.