2020 Volume 59 Issue 1 Pages 22-24
Since 1988, Japan Digital Road Map Association (DRM) creates, has created, updated and provided the Digital Road Map Database (DRM-DB) based on public-private collaboration. The DRM Database is the national standard digital road map database supporting ITS infrastructures in Japan. The DRM-DB enables automobile navigation systems to display road maps on their screens and search for the suitable traveling route.