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Digital road map database for vehicle navigation and road information systems

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3 Author(s)
S. Kamijo ; Japan Digital Road Map Assoc., Tokyo, Japan ; K. Okumura ; A. Kitamura

The preparation of a digital road map database for practical use over all of Japan commenced in Aug. 1988, and the first version was completed in March 1989. The database contains highly accurate road configuration and location information, as well as information on road attributes. The road information infrastructure can be used for other purposes, such as road management and road map publishing. The authors report on the database development program, design principles, data file contents and database accuracy.<>

Published in:

Vehicle Navigation and Information Systems Conference, 1989. Conference Record

Date of Conference:

11-13 Sept. 1989