Japan - see which motorways and expressways are currently under construction. A clear, interactive visual overview from OpenStreetMap contributors.
Japan - see motorway and expressway sections currently under construction on a clear map. Follow ongoing investments and identify where near-term changes to connectivity are taking shape.
Japan – 2,095 highway segments under construction, including 2,092 motorway segments and 3 expressway segments.
Download the Japan map of motorways and expressways under construction as a print-ready PNG of up to A0 at 300 DPI, with the building sites in a colour of your choice. Paid exports can also be cropped to the Japan border. Free exports carry a watermark; an Export Pass removes it. Japan road data is also available as GeoPackage or Shapefile.
Last update: 2026-10-18