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Economic Development

Metro rail project needs to do more for Cardiff says Welsh Conservatives

Shadow Transport Minister Natasha Asghar has raised concerns over the cost of the electrification project now at £1bn

Shadow Transport Minster Natasha Asghar MS(Image: WalesOnline/Rob Browne)

The South Wales Metro rail project, which is facing around a 40% overspend, is falling short by not improving frequency of service on its most densely populated sections, says the Welsh Conservatives.

The cost of electrification of the Core Valley Lines into Cardiff, as well as the City and Coryton Lines in the capital, has now reached £1bn. The vast majority of the rise in cost on the original budget of £734m, first set out in 2016, can be attributed to soaring construction inflation and delays to the programme caused by Covid. The original price tag did though include provision for the cost of VAT, which is no longer being applied to the scheme.

While on the Valley Lines (Aberdare, Treherbert and Merthyr) new tram-trains will be used they will be operated to heavy rail standards If the network was de-designated to light rail rolling stock they could operate closer together, so increasing capacity. Completion of the Metro and implementation of its new timetable - which will see a significantly increase in frequency of service, speed and passenger capacity with new tram-trains and trimodes (on the Rhymney Line) compared to the current non electrified offer - has been pushed back to 2025.

The heavy rail solution will mean just two trains an hour on the most densely populated sections of the Metro along the Coryton and City Lines in Cardiff. Hong Kong-based transport firm MTR, which was the other final bidder for the Wales & Borders franchise and electrification of the Core Valleys Lines - would have provided at least four an hour on the Coryton Line while it set out plans for four on the City Line - although the whole network would have required de-designation by regulator the Office of Road and Rail(ORR) from heavy to non mainline light rail.


The new tram trains that will run on parts of the Metro(Image: WalesOnline/ Rob Browne)

The rail franchise and electrification programme was taken on by joint venture partnership KeolisAmey in 2018. However, with the pandemic wiping out the business model the Welsh Government enacted the operator of last resort mechanism in 2020, which saw KeolisAmey staff transferring over into a new rail services company under Transport for Wales. Amey though continues to deliver the electrification project on behalf of Transport for Wales.

The reasons why the Cardiff lines are constrained to two trains an hour is the limited capacity through Network Rail’s Cardiff West Junction in Canton and a single-track section on the Coryton branch line. To fix these issues would require an investment estimated at £50m.

Chief executive of Transport for Wales (the transport body of the Welsh Government), James Price, said that rather than moving some of the increased train capacity that Metro will create from the Heads to the Valleys with four trains an hour to the two Cardiff lines, investment (in the Cardiff lines) was the way forward.

Shadow Transport Minster Natasha Asghar MS said: “While we are supportive of the project, we also believe in value for money for the taxpayer, Labour should not have allowed costs to spiral 40% over budget.