Route planning information
Mianjiu Expressway is the expressway from Mianyang to Jiuzhaigou. The total length of expressway is about 24 1km. It is designed according to the technical standards of expressway. The design speed is 80 km/h, the subgrade width is 24.5 m, the bridge-tunnel ratio is as high as 73%, and the estimated total investment is about 265.438+0.9 billion yuan. At the same time, expressway also connects Wenjiu Expressway, Guangping Expressway and Jingkun Expressway (from Chengdu to Mianyang).
Brief introduction of expressway
Mianyang-Jiuzhaigou expressway is 212km long, totally enclosed with four lanes, with a design speed of 80km/h and a subgrade width of 24.5m. It starts from Zhangjiaping, Lindong Township, Mianyang City, connects with Zhangjiaping, expressway, passes through Mianyang City, jiangyou city City, Beichuan County and Pingwu County, enters Jiuzhaigou County, Aba Prefecture, and ends in the south of Jiuzhaigou County. Together with the proposed Chuanzhusi to the Wenchuan expressway in Jiuzhaigou, it constitutes the expressway of Aba Prefecture.
Importance of completion
The geological conditions along Mianjiu expressway are complex and the ecology is fragile, so the construction is particularly difficult. The ratio of bridge to tunnel is high, with an investment of 25.2 billion yuan, and the average cost per kilometer exceeds 65.438+0 billion. After completion, it will play a positive role in promoting the economic and social development of Jiangyou, Pingwu, Beichuan and Jiuzhaigou along the line. In particular, it is of great significance to speed up the post-disaster recovery and reconstruction of Pingwu and Beichuan, enhance the disaster prevention capacity of the road network, develop tourism resources along the line, help the Qiang and Tibetan ethnic minorities along the line get rid of poverty and become rich, and maintain regional stability and national unity.
construction progress
On July 23rd, 20 15, Mianyang Municipal Government Information Office held a press conference. Yao Yong, deputy director of Mianyang Municipal Transportation Bureau, said that the construction procedure of the whole line from Mianyang to Jiuzhaigou expressway is being submitted to the relevant state ministries for approval, and the construction of the whole line will be started in June 20 16. After the completion of Mianjiu Expressway, Mianyang-Jiuzhai Highway will be shortened to 3 hours, and Chengdu will reach Jiuzhaigou in 4 hours.
20 16 On February 23rd, Mianjiu Expressway started construction, and the Chengdu-Meishan section of Le Cheng Expressway will be built with two lanes and eight lanes.
The above is the introduction of Zhong Da Consulting of CBI to Mianjiu Expressway. For more information about expressways, please pay attention to the architectural knowledge column of Zhong Da Consulting.
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