Grand Est Railways Under Construction — Active Rail Build Projects and Line Extensions

Grand Est railways currently under construction. New rail routes, line extensions and infrastructure upgrades — active build projects across the network.

Grand Est 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.

Grand Est currently has 114 railway segments under construction including 113 railway.