Intersection of roads with ring-shaped roads and with minimising of plan area, and with sloping sections,and upper and lower sections

摘要

Disclosed is an intersection system which can do without, or drastically minimize, the frequency of having to wait for traffic signals in order to relieve traffic of congestion and minimize the land occupied by an intersection system. To attain this purpose the present invention provides System 1, as shown, consists of two mutually intersecting roads, main road 1 and main road 2, each including a diverging section for cars making a left or right turn and a converging section for convergence of cars heading in the same direction after having taken their respective left or right turns. Other systems are disclosed.