In this paper,the overall design concept and route program of Huaitong expressway Jiangshi section was explored,the route program was demonstrated,based on the overall design princi-ple、start-end proof、and cable interface,and was optimized from multiple angels.These concepts may provide a new way of thinking and the reference value for the designers.%本文对怀通高速公路江市段总体设计理念以及路线方案进行探索，从总体设计的原则、起终点论证、连接线衔接等角度对路线方案进行确定，从多角度对路线方案进行了优化。这些理念可为设计人员提供一种新的思路与参考价值。
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