ROAD INFORMATION PREPARATION AND DISTRIBUTION DEVICE, IN-VEHICLE DEVICE, ROAD INFORMATION PREPARATION AND DISTRIBUTION SYSTEM, ROAD INFORMATION PREPARATION AND DISTRIBUTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a road information preparation and distribution device, in-vehicle device, road information preparation and distribution system and road information preparation and distribution method that can detect an intersection corresponding to a red flashing traffic signal device as an intersection where a temporal stop is required.;SOLUTION: The road information preparation and distribution device is configured to comprise: a driving information record part 120 in which driving information including information about a speed of a vehicle C and a position thereof transmitted by vehicle C and received by a base station side receiver 150 is recorded; a road characteristic determination part 140 that determines a point, in which a probability that the speed of the vehicle C is a predetermined determination speed or less is a predetermined determination probability or more in a predetermined determination range from a signal device-installed intersection stored by a map data storage part 112, as a non-priority road where the temporary stop is required corresponding to the red flashing traffic signal device on the basis of the recorded driving information; and a base station side transmitter 160 that transmits non-priority road information, which is information about the non-priority road determined by the road characteristic determination part 140.;COPYRIGHT: (C)2013,JPO&INPIT