Thales has appointed VolkerRail for the installation of new signalling across 40% of the London Underground network.The contract is part of Thales work to deliver the Four Lines Modernisation (4LM) programme for Transport for London (TfL). TfL is upgrading the Circle, District, Hammersmith & City and Metropolitan lines with new signalling, trains, power systems and station upgrades.The new signalling system will allow trains to be run closer together, giving a more frequent service and allowing more people to be carried. The new technology will also mean reduced delays and improved reliability. The programme will allow the operation of 32 trains per hour, an average 33% increase in peak-hour capacity across all four lines.VolkerRail will install and test signalling equipment, including copper and fibre cable, from Kings Cross to Monument on the District and Circle lines and from Aldgate East to Upminster on the Hammersmith & City and District lines.
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