| 摘要 |
PROBLEM TO BE SOLVED: To provide a safe driving support system allowing an on-vehicle machine to easily determine a driving method in a short time. SOLUTION: An upstream side on-road communication device 1 is installed in an entrance of a certain road section, and a downstream side on-road communication device 2 is installed in an exit of the road section. The downstream side on-road communication device 2 receives one's own vehicle probe data information including travel track information in the road section from each vehicle having finished traveling in the road section. The received one's own vehicle probe data information is transmitted to an information provision device 5 whenever necessary. Other vehicle probe data information including travel track information of one or more vehicles having finished traveling in the road section is sent to the upstream side on-road communication device 1 from the information provision device 5. The upstream side on-road communication device 1 transmits the other vehicle probe data information to the on-vehicle machine 6 of a vehicle approaching the road section. At this time, when a signal lamp 3A is installed inside the road section or near it, the travel track information is selected according to display of the signal lamp 3A. COPYRIGHT: (C)2009,JPO&INPIT
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