Politicians have expressed frustration as upgrades to a railway line between Oxford and Cambridge have been classified by the Treasury as an England and Wales project, despite no work taking place in Wales.

The £6.6billion project will connect communities between Oxford, Milton Keynes, Bedford and Cambridge.

Usually, under the Barnett Formula - the system used to fund the devolved nations - Wales, Scotland and Northern Ireland get extra money when more cash is spent on devolved issues like education in England.

But because the railways are not fully devolved to Wales, the Welsh Government doesn't receive this money when it comes to rail infrastructure, unlike Scotland and Northern Ireland.

The issue hit the headlines when HS2 was also classified as an England and Wales project.

This h

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