Taking the rebuilding program on road between Lanyang Agricultural Farm School of Danzhou and 11th Brigade Reconstruction as the research background,the paper investigates the road status of the section,sums up the widening design and construction technical points of ce-ment-concrete old roads,and points out the road after reconstruction can meet the demands for the both-way by the whole-process supervision.%以海南儋州蓝洋农场学校路口至十一队道路改造项目为研究背景，通过对该路段的路况进行调查，总结了水泥混凝土旧路拓宽设计和施工技术要点，并经过全过程监测，指出改造后的道路达到了双向行车舒适美观的要求。
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