Abstract
In this paper, the bi-directional four-lane traffic organization plan and its key factors in the freeway reconstruction and expansion were analyzed. Combined with the actual traffic flow and construction conditions of the freeway network in Chang-zhang Freeway project, the bi-directional four-lane traffic organization plan for the Chang-zhang Freeway reconstruction and expansion were determined, including the construction area length and construction sequence. It systematically summarizes the advantages and disadvantages of the traffic organization and management of the Chang-zhang freeway reconstruction and expansion project. It provides reference cases for the subsequent traffic organization design of freeway reconstruction and expansion similarly.
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