Resignalling contract awarded for LU's largest depot

Metronet Rail has awarded Thales UK a £10.4 million re-signalling contract to prepare its north-west London depot at Neasden for the next generation of London Underground trains.

Neasden is London Underground's largest and most complex depot, servicing 73 trains from the Metropolitan and Jubilee lines. It has 15 miles of track, 75 roads and nearly 100 point machines.

In future, Neasden will house and service the majority of a new fleet of 191 trains being introduced across the shallow, ̵6;sub-surface' network of Underground lines of the Metropolitan, District, Circle and Hammersmith & City.

To accomplish this, a massive transformation is taking place, replacing 80 per cent of the depot buildings and facilities ̵1; all without impacting the existing Underground service.

Thales will install its modular interlocking system, LockTrac 6172 PMI, to improve the depot's signalling control functionality. The project will provide capabilities to set and confirm routes, manage train moves within the depot and control and monitor signalling assets. It will support Neasden in providing additional stabling facilities in an overcrowded depot without having an impact on ongoing rail activities.

Already being deployed on the RATP metro network in Paris (France), the LockTrac solution is currently being installed as an overlay to the existing Neasden Depot infrastructure. It is expected to become effective from late 2009.

Image: London Underground's Neasden depot [Metronet]

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