| 摘要 |
A street tunnel arrangement accessible to vehicles in densely populated areas. The above-ground and underground arrangement of streets extending in tunnels in densely populated areas does not meet the increasing growth of traffic in large cities. The purpose to develop a concept to solve the traffic problem in densely populated areas is attained in such a manner that at least one ring street arranged along the periphery of the densely populated area and a plurality of tunnels, which are arranged at regular intervals within said ring street and extend at a depth below the public utility systems of the densely populated area, and a plurality of underground parking garages, which are accessible through the tunnels and have access devices to the surface of the densely populated area, are provided. The tunnels are designed either as ring tunnels or as series of parallel tunnels arranged at an angle with respect to one another and at various depths underneath the ground.
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