US Patent 8362889 Road condition detecting system

In a road condition detecting system consisting of a transmitter provided in a sending-side object on a road and adapted to transmit information about road conditions and a receiver provided in a receiving-side object on the road and adapted to receive information about road conditions, the transmitter includes sending-side vicinity information obtaining means for obtaining information about the vicinity of the sending-side object, transmitted information determining means for determining information to be transmitted, from the obtained vicinity information, and transmitting means for transmitting the determined vicinity information, and the receiver includes receiving means for receiving the vicinity information transmitted from the transmitting means of the transmitter.