| 摘要 |
<p>A speed alarm system includes: a vehicle position detecting unit that detects a position of a vehicle; a map data storage unit that stores map data including information on a type of a road and a speed limit of the road; an entrance determining unit that determines whether the vehicle enters a different type of road from the type of the road; an integrated travel distance detecting unit that detects an integrated travel distance on a road which the vehicle has entered and a speed detecting unit that detects a speed of the vehicle on the road which the vehicle has entered, when the entrance determining unit determines that the vehicle enters the different type of road from the type of the road before the vehicle enters; and a notification unit that gives at least an auditory or visual alarm to an occupant of the vehicle when the integrated travel distance is equal to or less than a predetermined distance and the speed of the vehicle is higher than the speed limit.</p> |
