Ningxia section
G69 Yinchuan-Baise Highway is about180km long in Ningxia, in which Yinchuan-Ningdong section and the existing Yin Qing Expressway (G20) * * line reach the northern Wei Zhuangzi in Yanchi County, Wuzhong City, and then take it out from the starting point of the reconstruction and expansion of Yin Qing Expressway, crossing G307 to the south, passing between Wei Zhuangzi and He Zhuangzi, passing through Taiyuan-Yin Zhong Railway, and then passing through Bug, Shijie and Nanchang. Gaoshawo West Interchange (K 15+874) is set up, Gaoshawo Service Area is set up on the south side of Nanchang, and it enters Wanglejing Township via Lizhuang, Lingwu County on the south side of Zhujiayao for about 3.74km, and Wanglejing Interchange (K32+200) across Mazheng Road is set up in Kushaogou, and it is set on the west side of Guo Zhuangzi after passing through Beitai to the south. Set up Fengjigou Interchange (K46+450) from S304 (National Highway 338) on the west side of Habahu National Nature Reserve, set up Fengjigou Hub Interchange (K58+600) across Dingwu Expressway (G20 12) to the south and set up Fengjigou Service Area after crossing Taohu Terrace. After crossing the main canal of Yandingyang Yellow River, cross Tai Railway (in the direction of Zhongwei) and enter Dashuikeng Town. To the south, set up Dashuikeng Interchange (K75+440) across Yan Loop X320 on the east side of Yang Er Zhuang and Wicker Well, set up Dashuikeng parking area after passing through Xixueliangzi and Hongjingwan, set up Y202 across township road to the south, enter Huianbao Town after passing through Ligezi and Sunjialiang, and then pass through Wangjiaxia Nest in turn. Mengcheng Interchange (K 107+800) is set on the east side of Maicaozhang. After crossing Mafanggou and Honggouyan, it reaches the Gan-Ning boundary. The total length from Yin Qing Expressway to Gan-Ning boundary is112.322km.
The main line adopts the technical standard of expressway, the design speed is 100km/h, the subgrade width is 26m, and the pavement adopts asphalt concrete surface layer, which is a fully enclosed and fully interconnected two-way four-lane expressway. Vehicle load grade: Highway -I grade.
The project passed the EIA in June 20 15, and the survey and design were carried out in February 20 16, invited by PPP.
Gansu section
Jitianluo Expressway
The project is connected to the expressway from Yinchuan to Tianshuibao Town (Ninggan Street) in Huan County in the north and the extension line of Xianxun Expressway in Shaanxi Province in the south, forming an inter-provincial rapid contact channel connecting Yinchuan in the north and An in the south; It is connected with national highways such as Qingdao to Yinchuan, Qingdao to Lanzhou and Yinchuan to Kunming. It is an important external transportation channel in the adjacent areas of Ningxia, Gansu and Shaanxi provinces.
The starting point of the route is located in Tianshuibao Town, Huan County at the junction of Gansu and Ningxia, passing through Huan County, Qingcheng County, Heshui County and Ningxian County. A connecting line is set up in Yulinzi to connect with Zhengning County, and the end point is Luoergouquan Village, He Yong Town, Zhengning County at the junction of Gansu and Shaanxi.
The total length of the main line is 295.54Km, and the connecting line of Zhengning Expressway is 19. 12Km. The main lines include 13733m/ 10 extra large bridge, 52388m/2 14 medium bridge,180m//2 small bridge, 466 culverts, 2275m/1. There are 123 overpass, 193 passage, 2 main toll stations, 12 ramp toll stations, 6 service areas, 5 parking areas, 5 maintenance work areas, 8 tunnel management stations, 1 expressway management office and 2 management offices. There are 402m/3 large and medium-sized bridges, 43 culverts, interchange 1 seat, separated interchange 1 seat, overpass 1 seat, 35 passages, 2 toll stations and expressway management office1seat.
The design speed of the route is 80km/h, and the planned mileage is 396.97km (including 62.77km of Xifeng second-class highway connection line and Zhengning expressway connection line 19. 12km). The estimated investment of the project is 349 1 100 million yuan.
The construction drawing design of this project was invited for bidding in April, 20 16, and the construction is expected to start in 20 17.
The construction network will be introduced into Zhongning Xia section and Gansu section of Bai Yin Expressway.
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