| 摘要 |
PURPOSE: A structure of multi-level overhead crossing is provided to improve traffic situations, moreover to settle chronic traffic backups and disordered traffic signals, consequently to minimize the energy waste and the environmental pollution. CONSTITUTION: The structure of a six-direction multi-level overhead crossing is explained that: each main roadway contains a five-lane way in and a five-lane way out and is connected to other main roadways, for example the fifth lane of a way in on the No.1 main roadway(23) is connected to the fifth lane of a way out on the No.6 main roadway; the fourth lane of a way in on the NO.1 main roadway is connected to the second lane of a way out on the No.3 main roadway, which passes through a closed curve type sloping-up way, an overpass, a sloping-down way and a way out; the third lane of a way in on the No.1 main roadway is connected to the first lane of a way out on the NO.2 main roadway; the second lane of a way in on the No.1 main roadway is connected to the third lane of a way out on the NO.5 main roadway; the first lane of a way in on the No.1 main roadway is connected to the fourth lane of a way out on No.4 main roadway. Other main roadways are connected each other in the same way.
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