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company’s work on the Docklands Light Railway in London, where a new control centre has been installed in preparation for this summer’s Olympic Games in the British capital. The DLR will be a major means of transport for reaching several Olympic venues in east London, including the main Olympic Park; the Games fortnight will see an intensive service provided. While the Jubilee and Northern Lines will

be retaining drivers in the cabs to operate the doors, the DLR is a driverless operation, with train attendants working on customer service duties.

trainsets, 49 engineering trains and six heritage trains by 2018, followed by a two-year warranty period. Unlike the Seltrac system on the Jubilee and Northern lines, which use cables for communications, the Cityflo 650 on the SSR is intended to be a wireless system, removing cables from the trackside and avoiding any problems of cable theft or damage when permanent way work is undertaken.

Suburban railways The SSR contract is an interesting one, because rather than a simple A to B route such as the Victoria Line, the SSR network comprises

The scope of Invensys Rail’s work will

encompass the detailed design, installation, testing and commissioning of signalling and telecoms systems. This includes the introduction of the company’s ATO (Automatic Train Operation) and ETCS European Train Control System) solutions, which will be overlaid in the London Bridge area to enable all train movements to be controlled automatically. This is an ambitious project, as the 24 trains

in each direction will be originating and terminating at multiple points across the South East of England. For the system to work smoothly, these trains will have to be presented

The Neasden control centre of London Underground’s Jubilee Line

In June 2011, LU moved on to another

phase in its plan to automate the Underground when it appointed Bombardier Transportation to resignal the Sub Surface Railway (SSR) with an automatic train control (ATC) system. The contract, valued at approximately €400 million, will see Bombardier provide the Cityflo 650 ATC system on the SSR. CBTC technology, similar to that running

on the Metro de Madrid in Spain, will be installed on the four sub-surface lines (Metropolitan, District, Circle, Hammersmith & City) of the London Underground network. Carrying 1.3 million passengers a day, the lines comprise 40% of the network and carry 25% of the total ridership. Bombardier will equip the 310km of track line (40km in tunnels), 113 stations, 191

Eurotransport Volume 10, Issue 1, 2012

multiple origin and destination points and complex junctions. Automating such a network will be a challenge, but automation will provide extra capacity and the SSR contract points the way towards automation on complicated suburban railway networks. One such project is the Thameslink

Programme in London, where Network Rail has awarded the core area resignalling contract to Invensys Rail. On completion in 2018, the project will provide a significant increase in route capacity, allowing 24 trains per hour to run from Loughborough Junction in the south, through central London and on to Kentish Town in the north. The area to be covered includes London Bridge, where the station is being rebuilt to accommodate more through tracks for the more intensive Thameslink service.

to the borders of the automated control area in the centre of the city in the correct order, which will demand a high degree of operating discipline in the suburban areas beyond the automated control area.

Tram control By comparison with the Thameslink ATO project, tram control is a much less complicated operation. But as on heavy railways, enhanced tram control can result in an increase in capacity. In Manchester in the north of England for

example, a new Tram Management System (TMS) is required to increase network capacity for a number of new extensions to the light-rail system being built in the city’s suburbs. At present, the former railway lines over which trams operate to the suburbs of Bury and

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