Guilin-Sanjiang Expressway is an important part of Xiarong Expressway and Baotou-Maoming Expressway in the national expressway network planning. It is also the Guangzhou-Chengdu section of the Pan-Pearl River Delta expressway network, which is "the Third Ring Road with Six International Channels and Six Vertical Lines". Guilin-Sanjiang Expressway is also the fastest and largest passage in Guiyang, Guangxi and Guangzhou. It is also an important part of the expressway network of "six horizontal, seven vertical and eight branch lines" in Guangxi Zhuang Autonomous Region, and a part of the expressway from Hengyang (provincial boundary) to Sanjiang (provincial boundary); At the same time, it is also listed as a tourist highway in the construction planning of Guilin International Tourism Resort.
Guilin-Sanjiang Expressway is the bottleneck of the above road network. After four years' efforts of all participants, Guisan Expressway was completed and opened to traffic on 20 17, 17, and126. When the Guisan Expressway is completed, all other road networks are connected. ?
This project connects the poor areas such as southeastern Guizhou Province, western Hunan Province and northeastern Guangxi. After the project is completed, it will become a link between these areas and the Pearl River Delta, Guangdong, Hong Kong and Macao, and ASEAN, and will greatly promote the development of tourism, processing industry, logistics and other industries along the route.
Guangxi, as a hub connecting the markets of Southwest China, South China, Central South China and ASEAN, will play an increasingly important role. Therefore, the construction of this project is of great significance to further implement the national strategy of developing the western region, improve the national and Guangxi expressway networks, give full play to Guangxi's role as a major channel for the southwest to go to sea, build a traffic framework between China and ASEAN, and accelerate the process of building a well-off society in an all-round way.
Gui-San Expressway starts from Huagan Village, Lingui Town, Lingui District, connects with Guilin Ring Road of Quannan Expressway, passes through Lingui, Longsheng and Sanjiang Dong Autonomous County of Liuzhou City, ends in Tang Chao Village, Dudong Town, Sanjiang (the front boundary of Guangxi), and connects with Shuikou-Duyun Expressway in Guizhou. ?
The main line of Guisan Expressway adopts the standard construction of two-way four-lane expressway, with the designed driving speed of 100 km/h, subgrade width of 26 meters and asphalt concrete pavement. There are 0/04 bridges/kloc, with a length of 32.590km, and 23 tunnels with a length of 28.025km, accounting for 46% of the total. The territory is mountainous, the geology is complex, and the design and construction are difficult. The estimated total investment of the project is 654.38+05.087 billion yuan, which is fully invested by Guangdong Liantai Group Co., Ltd.
There are six off-ramp toll stations in Wu Tong, Wantian, Longsheng, Piaoli, Sanjiangbei and Dudong, and two main toll stations in Si Long, Guixiang and Du Dong, which are the two major passages from Guangxi to Hunan and Guizhou.