A major rail investment package in Wales includes multi‑hundred‑million-pound projects to boost speeds, capacity and safety, with a business case for faster line speeds on the South Wales Relief Lines due spring 2026 and significant station upgrades across the network.

The package forms part of a long‑term £14 billion Wales rail investment plan agreed by the UK and Welsh governments, outlining seven new stations and a major project pipeline.

Cardiff Parkway is a joint project with a new station at Hendre Lakes near St Mellons, supported by public and private funding, and linked to a business park expected to create around 6,000 jobs.

In north Wales, the Deeside Industrial Park station ties to upgrades on the Wrexham–Liverpool line, with freight improvements at Padeswood Cement Works aimed at freeing capacity for passenger services.

Seven confirmed new or upgraded stations are Magor and Undy, Llanwern, Cardiff East, Newport West, Somerton, Cardiff Parkway, and a Deeside Industrial Park station in north Wales.

The First Minister of Wales welcomed the agreement as transforming rail services, while industry groups urged turning commitments into a transparent delivery plan with early contractor engagement and prompt payments.

Five of the planned stations have Burns Commission backing to ease M4 congestion, with construction slated to start this year and Magor and Undy expected to complete first.

The wider rail pipeline encompasses 43 schemes, with total costs projected up to £14 billion, subject to revision as plans and funding are revisited in future spending rounds.

Notable funded works include: up to £40m to increase South Wales Relief Lines speeds for two additional high‑speed lines; Cardiff Central Station receiving £59.8m (total £77.8m) with construction from spring 2026 to 2029; up to £30m over three years to boost Cardiff West Junction capacity aligned with renewal in 2028; and about £30m for safety and service upgrades on the North Wales Coast Main Line, including two new footbridges to replace hazardous level crossings at Prestatyn and Abergele, finishing in spring 2027 and enabling a 50% service increase from May 2026.