The total length of Cen (Xi)-Xing (Ye) Expressway is 155.4 1 km, in which the main line is 126.503 km, the Yulin North Expressway connecting line is12 km, and other connecting lines are 17.79 km. The total investment of the project is about 5.2 billion yuan, the design standard is four lanes, the design speed is 120 km/h, and the subgrade width is 28 meters. The construction period is 3 years, and it will be completed and opened to traffic at the end of 2008, with an operation period of 28 years. Cenxing Management Department undertook the second contract section of Cenxing Expressway, with a total length of 8.42 kilometers.
Cenxing Expressway connects the completed Cenwu Expressway, passes through Cenxi City, Tanrong, Rongxian, Minle and Liquor Selling, and ends in the north of Shanxin Town, Xingye County, connecting with the completed Liuxing Expressway. The whole line 152km, including the main line 126km, adopts two-way four-lane standard, the design speed is 120km/h, the subgrade width is 28m, and the total investment is 5 1 100 million yuan. The vehicle load grade of bridge and culvert design adopts highway level 1; Interchanges are set up in 8 places, including Cenxi South, Maluwei, Tanrong, Rongxian, Shanwei, Minle, Yulin North and Shanxin. Among them, Yulin North Link is about 1 1 km, adopting the standard of two-way four-lane expressway, with the design speed of 100 km/h and the subgrade width of 26 meters; Beiliu connecting line is about 8 kilometers, which is built according to the first-class highway standard, with a design speed of 80 kilometers per hour and a subgrade width of 26 meters. Other interconnection lines are about 12km, which are constructed according to the standards of secondary roads, with a design speed of 80km/h and a subgrade width of 12m. There are two service areas in Rongxian and Yulin, and three parking areas in Lin Zhong, Beiliu and Shanxin. There are seven toll stations in the whole line, namely, Cenxi Road, Tanrong, Rongxian, Shanwei, Beiliu, Hanshan and Yulin, and Yulin Management Office is located in Yulin Toll Station of Yulin Link.
Cenxing Expressway Project officially started construction on June 5438+065438+1October 2 1, and was completed and opened to traffic ahead of schedule on February 20, 2008. The actual construction period is 25 months, and the leaders of the Autonomous Region Communications Department praised it as "a miracle in the history of expressway construction in Guangxi".
Cenxing Expressway is the "first crossing" of the national expressway network 79 18 project, a part of Guangkun Expressway, an important passage from the Pearl River Delta to the southwest, and a section of the branch line from Arongqi to Beihai Highway from Nanning to Wuzhou to Guilin among the eight provincial highways in the west planned and constructed by the state. This project is also a "one shot" from Nanning to Wuzhou in the main skeleton structure of Guangxi highway network, and also a "one horizontal" Cenxi-Yulin-Nanning-Baise expressway with "four verticals and six horizontals" in Guangxi expressway planning.
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