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本文基于驾驶机理的研究提出以“驾驶期望车速及道路需求车速转换频度离差”作为衡量道路设计安全水平的核心指标,并研究了将这一指标具体建模,进一步量化标定的过程,这一过程也是道路安全设计关键技术的实现过程。
Based on the study of driving mechanism, this paper proposes that “the expected driving speed and the deviation of road speed changing frequency” be used as the core index to measure the safety of road design, and the process of concretely modeling and further quantifying this indicator is studied. A process is also the key technology of road safety design process.