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进入新世纪以来,我国公路建设取得了长足发展,公路网络进一步完善,二级公路在整个路网中的比重不断上升。随着区域和城乡交通一体化进程的不断加快,在今后很长一段时期内,将有更多低等级国、省、县、乡道路升级改造为二级公路,文章通过海南省海榆西线(G225线)公路改建工程的设计实践,对二级公路改建设计过程中经常遇到的关键性技术问题进行了探讨。
Since the beginning of the new century, the road construction in our country has made great strides and the road network has been further improved. The proportion of the secondary roads in the whole road network has been on the rise. With the continuous acceleration of regional and urban-rural traffic integration, more low-class country, province, county and township roads will be upgraded and upgraded to Grade II highways in the long term. The article passes through the west coast of Haiyu, Hainan Province (G225 line) highway reconstruction project design practice, the reconstruction of the second-level highway frequently encountered in the design of the key technical issues were discussed.