通过对国内外现有高速公路改扩建现状及趋势的研究,依据改扩建方案的特点,分别从宏观的路网优化层面与微观的新建、扩容方案比较层面对我国高速公路的改扩建方案进行递进分析.再通过模糊综合评价法的应用,为高速公路改扩建方案的主观决策提供量化的客观依据.%Though the study on the tendency of freeway expansion, the paper progressive analyses freeway reconstruction programme from macro levels of highway net optimization and micro levels of comparing with construction and expansion, and provides the frame for determining Freeway Expansion plan, by using AHP-fuzzy method to provide quantized objective basis for subjective decision of freeway expansion.
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