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, which have attracted much attention, have made new progress in the Third Ring Road to the second ring road of Chengdu Leshan expressway.

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recently, the Chengdu Ecological Environment Bureau officially announced the examination and approval of the environmental impact report of the Third Ring Road to Chengdu Second Ring Road section of Chengdu Leshan expressway expansion project in Sichuan Province, which means that the construction of the project is speeding up again.

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Red Star journalists learned that the expansion project of Chengdu Leshan Expressway starts from Sichuan Tibet interchange of the Third Ring Road in Chengdu and ends at guliba interchange of Chengdu Leshan expressway. The main line of Chengdu Third Ring Road to guliba section (excluding Leshan urban transit double line) is 127.578km long. Among them, the section from Chengdu Second Ring Expressway to guliba has been approved by EIA, and this reply is the section from the Third Ring Road to the second ring road of Chengdu Leshan expressway expansion project. The project covers Wuhou District, Shuangliu district and Xinjin District, starting from Sichuan Tibet interchange of the Third Ring Road in Chengdu and ending at the hub interchange of Chengdu Second Ring Expressway.

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in terms of construction content, the total length of the new road is about 25.502 km, and the road grade is expressway. The section from Chengdu Third Ring Road to main line toll station is about 3.291 km long, with two-way six lanes, design speed of 80 km / h and subgrade width of 28.5 M. The length of the section from the main line toll station to Chengdu Second Ring Expressway is about 22.211 km, with two-way eight lane, design speed of 120 km / h, operation speed of 80 km / h and subgrade width of 36.5 m-42 m) between main line toll station and Zheng highway interchange section. At the same time, 6 bridges, 3 culverts, 1 tunnel and 5 interchanges are set. In addition, the length of partial realignment of the ring expressway is about 2.635 km, the road grade is expressway, two-way six lane, the design speed is 100 km / h, the subgrade width is 34.5 m, and the whole subgrade is adopted.

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it is worth noting that the total investment of the Third Ring Road to Chengdu Second Ring Road section of Chengdu Leshan expressway expansion project is 11323167000 yuan. Among them, investment in environmental protection accounts for 1307.685 million yuan. How to spend this fund? The reply of

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clearly states that ecological protection and pollution prevention during construction and operation period should be strictly implemented. For example, in the noise control measures, the sound environment protection of sensitive points will be strengthened, and 9160m closed sound barrier, 1100m high folding arm noise barrier and 4670m 3.5m folding arm sound barrier will be built. For another example, in the aspect of water environment protection, the main line of the project and the airport interchange B ramp cross the Jiang’an River in the form of a bridge, and a bridge pier is set. Prefabricated parts are used for construction, and integral hoisting construction is adopted. The construction time is as long as possible in dry season, and cofferdam construction is adopted.

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according to the EIA documents, the Third Ring Road to Chengdu Second Ring Road section of Chengdu Leshan expressway expansion project is planned to start in 2020, and be completed and open to traffic in 2023, with a construction period of 3 years. After the completion of the project, it will become an important part of the new double track of Chengdu Leshan expressway, which has the function of the second expressway of Shuangliu Airport. It can not only effectively meet the traffic demand of g0512 Chengdu Leshan, but also add a new express way to Chengdu Shuangliu Airport, which is of great significance for optimizing and improving the expressway network structure in Sichuan Province.

Red Star journalist Li Yanqin

original title: the latest news! The Third Ring Road to Chengdu Second Ring Road section of Chengdu Leshan expressway expansion project is expected to start within one year, with a construction period of 3 years