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全长1709公里,贯穿四川、贵州、广西三省区的西南公路出海通道,日前正式建成通车。这标志着实施西部开发战略、加快交通基础设施建设取得重大的实质性进展。 西南公路出海通道是我国国道主干线“两纵两横三个重要路段”的组成部分,是继京沈高速公路、京沪高速公路之后建成的第三条国道主干线,将西南地区成都、贵阳、南宁等重
A total length of 1709 kilometers, runs through the southwest of Sichuan, Guizhou, Guangxi provinces and sea access to the channel, has recently been officially opened to traffic. This marks a major substantive progress in implementing the strategy for the development of the western region and accelerating the construction of transport infrastructure. The southwest highway to sea channel is an integral part of the “two vertical and two horizontal three important road sections” of the trunk road of China’s national highway. It is the third national trunk road built after the Beijing-Shenyang Expressway and the Beijing-Shanghai Expressway. Chengdu, Guiyang, , Nanning and other heavy