On October 14, 2020, according to the National Railway Administration Planning and Standards Research Institute, the preliminary design plan for the Chengdu-Dazhou-Wanzhou high-speed railway line has been released.

Overview of Chengdawan High Speed Rail Project
The project is located in the middle-eastern part of Sichuan Province and the northern part of Chongqing. The line starts from Ziyang West Railway Station in the west, passes through Ziyang, Suining, Nanchong, Dazhou, and Wanzhou District of Chongqing City to the east, and ends at the Zhengwan High-speed Railway in Wanzhou North. station. The length of the newly-built main line is 432.386km, which, together with the Zhengwan high-speed rail, the Yichang-Zhengwan high-speed rail link and other lines, constitutes a high-speed railway passage along the Yangtze River. It is an important part of the high-standard passenger transportation passage in the Sichuan-Chongqing area.
According to the preliminary design plan, the line leads from Wanzhou North Station to the west along the Yuwan Intercity, crosses the Yuwan Intercity, crosses Tiefeng Mountain and then turns to the north, and crosses the provincial highway S303 and Puli River on the north side of Yuexi Town. Walk along the east wing of the false corner, pass through the Chengmendong coal mine and then cross the false corner mountain, to the northwest to Mingyue Mountain, and set up the Kaijiang South Station in Luojiapo Village.

After exiting the station, pass through the south side of Tingzi Town to Tongluo Mountain, and after crossing the Baomao Expressway, set up Dazhou South Station in the Economic Development Zone of Dazhou City. Cross the Jianyingda Expressway, Tongbo River, and under the Airport Avenue under construction, pass through the Huaying Mountain Tunnel on the north side of Muzi Township and Berlin Town, and cross the Xiangyu Railway and Qujiang River after exiting the tunnel to Gaosi Village, Lifu Township. Quxian North Station.
Across Dalian-Liang Expressway, Liujiang River, Provincial Highway S204, Yinkun Expressway, to Wuxing Village, Lujing Town, set up Shanxi Station. After exiting the station, cross Yanshan Avenue to the west, Dacheng Railway, Jialing River, Lanyu Railway and then lead to Nanchong North Station.
Cross Lanhai Expressway, Hurong Expressway, southwest of Mingfeng Town, set up Pengxi South Station, take cross-border highway G318, Dacheng Railway, Chengdu-Chongqing Ring Expressway, and follow the existing Dacheng Railway behind Fujiang to Suining Station. There is a new high-speed depot on the north side of Suining Station and the branch of the station. After exiting the station, follow the direction of Suihong Expressway to Shilezhi Station in Dashibao Village, south of Yulezhi County.
After exiting the station, continue to cross the Chengan-Yu Expressway to the southwest, cross the existing Chengdu-Chongqing Passenger Dedicated Line, cross the Tuojiang River, and then turn to the west and bypass the built-up area of Ziyang City on the south side of the Suihong Expressway, and the lines cross the Chengyu Expressway. , Chengzi Railway turned northward, parallel to Chengzi Line, and then merged and introduced the Ziyang West Railway Station in Ziyang West Railway Station.
It is reported that the Chengdu-Dazhou-Wanzhou high-speed railway is an important part of the mid-to-long-term railway plan for the eight vertical and eight horizontal passages along the Yangtze River. It is an important project to promote the construction of the Yangtze River Economic Belt and the implementation plan for the high-speed railway passage along the Yangtze River. , The development of the Chengdu-Chongqing double-city economic circle will help the further implementation of national strategies such as the Great Western Development and promote the coordinated economic and social development of the regions along the route. Editor/He Yuting
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