| 摘要 |
<p>A road-condition informing apparatus includes a sensor (61 1 ) that is provided at one of a plurality of detection positions on a freeway (10) and detects a road condition near the detection position; a road-condition informing light (62 1 ) that is provided at the one of the detection positions and emits a light; a control communication unit (63 1 ) that controls, based on a detection result from the sensor (61 1 ), a light emission (i.e. on, flashing quickly, flashing slowly, or off) of the road-condition informing light (62 1 ), and informs the road condition to a driver of a vehicle driving on the freeway (10).</p> |
