United Kingdom railways currently under construction. New rail routes, line extensions and infrastructure upgrades — active build projects across the network.
United Kingdom railway lines currently under active construction: new routes, extensions to existing lines and major rail infrastructure upgrades. Includes new high-speed corridors, electrification projects, double-tracking schemes and regional line extensions. Data tagged by OpenStreetMap contributors on the ground, reflecting what is physically being built on the railway network.
United Kingdom currently has 791 railway segments under construction including 781 railway, 8 tram and 2 narrow gauge.
Data: OpenStreetMap contributors
Last update: 2026-04-21