Note: This map shows only road sections covered by Japan’s 2021 Road Traffic Census; it does not show every road. How to use the map: Use the buttons above to switch road categories. Select a numbered circle. The grouped locations separate. Select a colored circle to view its traffic data; the corresponding official section is highlighted in fluorescent green with a dark outline. Marker positions follow the official MLIT map, and unverified locations or sections are omitted.