The total length of Changzhang expressway is 365,438+00 kilometers. The whole journey is divided into two sections, one from Changsha to Changde and the other from Changde to Zhangjiajie. It took seven years to complete. It starts from the west straight end of Xiangjiang North Bridge in Changsha, passes through Yuelu District, Wangcheng County, Ningxiang County, Heshan District, Ziyang District, Changde City, Hanshou County, Dingcheng District, Deshan County, Taoyuan County and Cili County of Changsha City, and finally ends in lishuiqiao, Yongding County, Zhangjiajie.
Basic profile
It is the connecting line of "Erguang Expressway (G55)", an important trunk line planned by expressway. Item no: G55 13
G55 13 Zhang Chang Expressway Changsha-Zhangjiajie Changsha-Yiyang-Changde-Zhangjiajie
Hunan section: through
Opening date: 2005
The planned route consists of Quanzhou-Bijie section of the former national key highway and Changsha-Zhangjiajie section of the branch line.
Composition part
Changchangduan
The total length of Changchang expressway is 147.924 km, and the project is divided into two phases, one from Changsha to Yiyang and the other from Yiyang to Changde, which took four years to complete. It starts from the west straight end of Xiangjiang North Bridge in Changsha and connects with Changyong Expressway. Passing through Yuelu District, Wangcheng County, Ningxiang County, Heshan District, Ziyang District, Changde City, Hanshou County, Dingcheng District and Deshan District of Changsha City; The destination is Tanshuping, Deshan, Changde City. The investment is 2.457 billion. Chang-Chang Expressway 1 March, 9961started construction, the section from Changsha to Yiyang was completed and opened to traffic in July 1998, and the section from Yiyang to Changde was completed and opened to traffic in February 1999.
Chang-Chang expressway is a fully enclosed and interconnected high-grade highway with cement concrete pavement, with a design speed of100km. It is a two-way four-lane expressway with cement concrete pavement. The whole line includes extra large bridge 1, 6 large bridges, 56 medium and small bridges, interchange 165438, 87 separated interchanges and 30 overpass bridges.
Changsha-Changde expressway is a key highway construction project in Hunan Province during the Ninth Five-Year Plan period. It is an important part of the "one vertical and four horizontal" main network planned by provincial expressway, and it is the main skeleton of the national "five vertical and seven horizontal" highway. Connect Changsha, Yiyang and Changde, completely activate the economy of northwest Hunan, and directly open the channel with southwest China. Its completion will play a great role in improving the regional investment environment, accelerating the economic development of the central and western regions of Hunan Province, and promoting the economic development of this region, even the whole province and the whole country.
Constant tension section
The total length of Chang-Zhang expressway is160.68km, and the connecting line is 9.945km.. The whole line is built according to the two-way four-lane expressway standard, with a total investment of 6.87 billion yuan.
There are 8/kloc-0 bridges, including 8 extra-large bridges, 47 bridges and 2 tunnels, with a total investment of 6.87 billion yuan. 65438+officially started construction in February 2002 and was completed and opened to traffic on February 26, 2005. After opening to traffic, the time from Changsha to Zhangjiajie will be shortened from 6 hours to 3 hours.
A long section
Yichang expressway overhaul section is 73.083 kilometers long, starting from Yiyang Zijiang Second Bridge in the east and reaching Deshan Tanshuping in Changde City in the west. On June 26, 20 14, the pavement overhaul project was started, and the original pavement was rebuilt from white to black. After maintenance, the bearing capacity of the pavement is not only improved, but also smoother, noise-reducing and high temperature resistant.
The above is the introduction of Zhong Da Consulting to Zhang Chang Expressway. For more information about expressways, please pay attention to the architectural knowledge column of Zhong Da Consulting.
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