A vehicle sensor and a human sensor are comprised to a traffic sign and the road surface indicator, and warning is displayed in mark, indicate lamp where a driver is easy to make viewing. With intersection safety driving system 100, the control unit can detect vehicle V1, V2 which are going to come in the intersection by vehicle sensor 112 comprised on the traffic sign which there is. When vehicle sensor 112 did vehicle V1, V2, indication to rouse (in indicating lamp 1A, 1B, 1C, 1D), the attention to the vehicle in traffic sign 8A, 8B, 8C, 8D installed in the road which the vehicle drives and the intersecting road is performed.