Railways Bill and Wales rail devolution: delivery and funding notes for engineers
Reviewed by Tom Sullivan

First reported on New Civil Engineer
30 Second Briefing
A proposed amendment to the UK Railways Bill to devolve control of rail infrastructure and services to the Welsh Government has been rejected, prolonging disputes between Westminster and the Senedd over chronic underinvestment in routes such as the South Wales Main Line and Valleys commuter network. The decision leaves Network Rail and Great British Railways, rather than Transport for Wales, as primary decision-makers on track renewals, signalling upgrades and capacity enhancements. For civil and rail engineers, major schemes like electrification, station remodelling and resilience works will continue to be planned and funded through UK-wide, not devolved, budgets.
Technical Brief
- Amendment to the Railways Bill specific to Welsh rail powers was voted down at Westminster.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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