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Activities to promote development of in-vehicle information systems in Japan are described. Two major projects, Advanced Mobile Traffic Information and Communications System (AMTICS) and Road/Automobile Communication System (RACS), and their social backgrounds are described. Some of the results and findings of RACS experiments are briefly presented. The status of the projects and future problems in developing more advanced systems are indicated.>
H. Kawashima (Fri,) studied this question.