Projects · Rail
Cardiff Queen Street (representative point)·Under wayRail
South Wales Metro, Core Valley Lines Transformation
- StageCore Valley Lines electrification completed March 2026; first Class 398 tram-trains due spring 2026
- ValueMore than £1bn (£800m on new trains)
- Next milestoneComplete rollout of new trains and final signal upgrades for faster, more frequent services
- Last checked1 November 2026
What has changed on this project, and when
- Next milestone: Complete rollout of new trains and final signal upgrades for faster, more frequent services2 November 2026 · previously: Complete introduction of new fleet and ramp up higher-frequency metro services.
- Stage: Core Valley Lines electrification completed March 2026; first Class 398 tram-trains due spring 20262 November 2026 · previously: active
- Value: More than £1bn (£800m on new trains)2 November 2026 · previously: ~£1bn
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