Exploration of Highway Speed Limit in Urbanized Areas based on Variable Speed Limit Theory
With the development of urbanization,a large number of highways with municipal functions have emerged in China.How to determine the speed limit value of this type of road during operation is worth discussing.In the paper,the main methods of setting speed limits in the United States are introduced,and the process of determining speed limits are elaborated using the operating speed method in the United States through real practice.At the same time,based on specific engineering examples of highways in urbanization areas in China,the speed limit value of this section is calculated using the operating speed method.Finally,the difference between China and the United States is compared and analyzed,and some suggestions are put forward to optimize the method of determining the speed limit in China
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