Patent ID: 6115652
Filing Date: 2000-09-05
Classification: B60W,B62D,G05D,G08G

Abstract:
A road system for an automatically traveling vehicle, the road system comprising a road having a main lane, at least one branch lane and a connection point connecting the main lane with the at least one branch lane, indicating means located at the connection point for indicating the position and shape of the connection point, detecting means located in the traveling vehicle for detecting the indicating means, and transmitting means located on or near the road for transmitting information to the traveling vehicle, wherein the vehicle automatically travels based on said information and information provided by communication between the vehicle and other traveling vehicles, wherein the detecting means is a magnetic sensor and the indicating means is a plurality of magnetic nails embedded in a road surface and wherein the position and shape of the connection point are indicated on the basis of the distance between the magnetic nails.