DRIVING SUPPORT DEVICE, DRIVING SUPPORT SYSTEM, DRIVING SUPPORT PROGRAM, AND DRIVING SUPPORT METHOD

To provide a driving support device capable of performing a driving support to avoid a fault even when a communication line with a server is interrupted.SOLUTION: A driving support device includes: a fault information reception section 26 for receiving fault information from a server 3, 3a; a time calculation section 27 for calculating a communication interruption time based on a communication interruption when the communication interruption occurs in receiving the fault information from the server 3, 3a; an upper limit speed setting section 281 for setting an upper limit of a speed to be indicated to an automatic operation vehicle based on the communication interruption time calculated by the time calculation section 27; and a travel control section 29 for performing control to allow the automatic operation vehicle to travel by considering the upper limit of the speed to be indicated to the automatic operation vehicle based on the upper limit of the speed to be indicated to the automatic operation vehicle set by the upper limit speed setting section 281.SELECTED DRAWING: Figure 1 【課題】サーバとの間で通信回線が途絶した場合においても、障害を回避するよう運転支援を行うことができる運転支援装置を提供する。【解決手段】サーバ３，３ａから障害情報を受信する障害情報受信部２６と、サーバ３，３ａからの障害情報の受信において通信途絶が発生した場合に、通信途絶に基づく通信途絶時間を算出する時間算出部２７と、時間算出部２７が算出した通信途絶時間に基づいて、自動運転車両に指示する速度の上限を設定する上限速度設定部２８１と、上限速度設定部２８１が設定した自動運転車両に指示する速度の上限に基づき、自動運転車両に指示する速度の上限を考慮して自動運転車両を走行させる制御を行う走行制御部２９とを備えた。【選択図】図１