Japan Railways Under Construction — Active Rail Build Projects and Line Extensions

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

Japan – 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.

Japan – 511 railway segments under construction, including 494 mainline railway segments, 4 metro segments and 13 light rail segments.

Export the Japan map of railways under construction as a high-resolution PNG up to A0 at 300 DPI, with the lines being built drawn in your own colour. Paid exports can also be cropped exactly to the Japan border. Free exports carry a watermark; an Export Pass removes it. Japan rail data is also available as GeoPackage or Shapefile.