| 摘要 |
<p>A road vehicle route selection and guidance system, comprising: a network of beacons distributed at selected points over a designated road system, each beacon including a transmitter for transmitting to passing vehicles information regarding primary routes of the road system and a detailed road map in digital form of an area local to the beacon, a plurality of vehicles each including a receiver for receiving information from beacons en route, a memory store coupled to store the received information, a computing means which includes a route finding algorithm and means for providing positional information of the vehicle, wherein in use of the system the computing means of the vehicle is operative to select an appropriate route over the primary roads of the road system from the received information, and when the vehicle approaches its destination, the vehicle computing means is operative to access the received local area map and to provide guidance information to the intended destination by means of the local area map, the route finding algorithm and positional information of the vehicle.</p> |
