Existing research results, mainly to network reliability, average network traffic flow parameters such means to evaluate the road network traffic conditions.

现有研究成果中，主要以路网可靠性、路网交通流参数均值等方式来评价路网的交通状态。

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Currently, the state evaluation of the road traffic has been more mature; however, the study of the evaluation of the regional road network traffic conditions also not much.

目前道路交通状态评价研究已经较为成熟，但面向区域路网交通状态评价领域的研究还并不是很多。

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The analysis of the traditional traffic path optimization algorithms showed that their realtime capability appear insufficient under the largescale road network conditions.

在对经典路径优化算法性能进行分析的基础上，指出了现有路径优化算法在大规模路网条件下实时性差的问题。

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