To provide an on-vehicle device, a route guidance system, and a program that reduce a processing load due to route searching.SOLUTION: An on-vehicle device 1 mounted on an own vehicle 5 comprises: a route searching unit 133 that searches for a travel route to a destination based on map data 45; and a determination unit 137 that determines a recommended lane on which the own vehicle 5 should travel based on the travel route, and when the own vehicle 5 does not travel on the recommended lane at a predetermined timing, causes the route searching unit 133 to search for a preparatory route to the destination.SELECTED DRAWING: Figure 1
【課題】経路探索による処理負荷を軽減する車載装置、経路案内システム及びプログラムを提供する。【解決手段】自車両5に搭載された車載装置1は、地図データ45に基づいて目的地までの走行経路を探索する経路探索部133と、走行経路に基づいて自車両5が走行すべき推奨レーンを判定し、所定のタイミングで自車両5が推奨レーンを走行していない場合に、目的地までの予備経路を経路探索部133に探索させる判定部137と、を備える。【選択図】図1
ON-VEHICLE DEVICE, ROUTE GUIDANCE SYSTEM, AND PROGRAM
車載装置、経路案内システム及びプログラム
2021-05-20
Patent
Electronic Resource
Japanese
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