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Although popular in Japan and Europe, vehicle navigation systems have not yet been established as a viable offering in America. This paper will discuss the current infrastructure in America which is now ready for navigation implementation. The change factors that will facilitate system acceptance include: the development and introduction of proven products such as the CARiN vehicle navigation system, the recent availability of tested nationwide digital map database coverage, and the proliferation of cellular telephone service, which augments vehicle navigation capabilities.

This paper proposes an electronic car navigation system comprising a Compact Disc for mass storage of information. A special version of the Compact Disc is used, which is compatible with the music disc now being introduced in the car. Digitized road maps, street names, and information on hotels and filling stations are among the data stored on the Compact Disc. The main items relating to digitizing and storage of maps as well as the car information and navigation system are outlined. Besides a vehicle-locating segment, the system comprises an information processor, a user interface section, and a data link via the car radio for recent traffic information.