| The main contents of this thesis is to analyze the black-spots of Han-Yi freeway with the identification methods of black-spots, then on the basis of analysis of cause and characteristic at black-spots, typical improvement measures are put forward and applied to the construction. Through the comparison of traffic safety status on the improvement, the veracity of the judgment method and validity of improvement measures are validated.The study is supported by the World Bank project III, the methods for analysis, judgment and improvement at the black-spot of Han-Yi freeway are studied, it has a great reference value to the traffic safety situation. |
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