About Us
History of the DRM
History
| 1988 | Established the world’s first National Digital Road Map Database Standards Started creation of the DRM Database of the basic road Started provision services of the DRM Database |
| 1989 | Started creation of the DRM Database of the supplemental road |
| 1990 | Established the DRM Database Standards for Road Administration |
| 1993 | Participated in ISO/TC204/WG3 activities |
| 1995 | Completed the nationwide coverage of the DRM Database based on the 1:25,000 scale topographic maps |
| 1998 | Established a group to study new DRM standards |
| 2000 | Established the DRM Standard Format 21 |
| 2003 | Started creation of the DRM Database of 1.5 – 3 meter wide road |
| 2005 | Revised rules on database supply for research purposes Worked on experimental three-dimensional digital road maps Developed a computer program for detecting database changes Worked on compiling information on zones of traffic restriction under unusual weather conditions, etc. for prefectural roads Started compiling names and routes data for arterial municipal roads |
| 2006 | Initiated a research grant program Started compiling data on general prefectural roads which are under construction (information to be provided two years in advance) and not yet open for use |
| 2008 | Started creation of the enhanced DRM data of complex intersections |
| 2010 | Started creation of the DRM Database based on the 1/2500 Fundamental Geospatial Data |
| 2011 | Started creation of the DRM Database based on the World Geodetic System |
| 2012 | Started creation of the DRM Database of altitude data and positions of road submergence |