Transport for Wales (TfW) has commenced works to build a £100m rail depot to support South Wales Metro operations.

Located at Taff’s Well, the rail depot will offer tram-train maintenance and stabling services. The site will accommodate and maintain new metro vehicles, which will enter services from 2022.

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It will also feature an Integrated Control Centre to manage operations on the metro lines.

Currently, demolition works are underway at the site to enable construction works.

The development of the South Wales Metro depot is the first major project undertaken as part of TfW’s rail network transformation programme. The programme is part of the wider £5bn plan to modernise the transport system in Wales.

The South Wales Metro project involves the development of an integrated public transport network, including heavy rail, bus and light-rail services in the South East Wales region.

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It involves an investment of £738m in the valley lines to Treherbert, Aberdare, Merthyr Tydfil, Rhymney and Coryton.

Additionally, the programme includes building five stations, rehabilitating more than 170km of track, and modernising associated track, stations and signalling systems.

It is partly funded by the European Regional Development Fund through the Welsh Government.

Transport for Wales Rail Services Infrastructure Director Simon Rhoden said: “Partnering with Welsh Government and TfW, we are working hard to create a transport network that delivers real benefit to the people of Wales.

“The start of demolition works on-site at Taff’s Well marks the beginning of our journey of transformation.”

Last month, TfW awarded first early contractor involvement (ECI) contracts for South Wales Metro to Balfour Beatty, Alun Griffiths and Siemens Mobility.

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