MAP DATA STRUCTURE, MAP DATA UPDATE METHOD, VEHICLE POSITION CORRECTION METHOD, ON-VEHICLE DEVICE, SERVER, AND VEHICLE POSITION DATA CORRECTION SYSTEM

摘要

PROBLEM TO BE SOLVED: To reduce the possibility of occurrence of a situation in which driving change of a vehicle will not be conducted at a driving change trigger point.;SOLUTION: A map data structure according to the present invention is a map data structure in order for a correction device comprised in an on-vehicle device mounted on a driver's vehicle to correct vehicle position data representing the position of the vehicle on a map at a vehicle position data correction point on the basis of a plurality of landmarks associated with driving change trigger points when the vehicle travelling on a road on the basis of a target track approaches a driving change trigger point. A plurality of landmark identifiers identifying the respective plurality of landmarks are associated with landmark position data representing landmark positions of the respective landmarks, and the land mark number of the plurality of landmarks is set according to a road environment in the vicinity of a driving change trigger point.;COPYRIGHT: (C)2016,JPO&INPIT