以佛开高速公路谢边至三堡段改扩建工程为背景,通过两年多的交通组织管理工作实践,对“边通车、边施工”高速公路改扩建工程的原则方针、难点、对策和管理进行了探讨,总结介绍了扩建施工时“确保主线双向四车道通行”的交通组织新模式。 Taking the reconstruction and expansion project of Xiebian to Sanbao section of Fokai Expressway as the background, through more than two years’ practice of traffic organization and management work, the principle, difficulty and countermeasure of reconstruction and expansion project of “open to traffic, side to side construction” expressway And management were discussed. The paper summarized the new mode of traffic organization “to ensure the main line two-way four-lane access” during the extension construction.