The design speed is 100 km / h, and the Renhuai to Zunyi Expressway has to be built! On September 28th, it was learned from the Guizhou Provincial Department of Transportation that the construction drawing design of the Renhuai-Zunyi Expressway (main project) in Guizhou Province has been approved, marking the commencement of the construction of the Renhuai-Zunyi Expressway.

It is reported that the expressway starts from Canglong in Renhuai City, and is set up in the Chishui to Renhuai section of Chengdu-Zunyi National Expressway, which has been built by Canglong. It passes through Pingzheng Township, Songlin Town, Jindingshan Town and Xiangkou Town, and ends in Zunyi City. Taoxi, Zhuang Town, has completed the Lanzhou-Haikou National Expressway from Chongqing to Zunyi, with a total length of 52.451 kilometers.

The total number of bridges is 12,572.59 meters / 28, including 4051 meters / 3 bridges, 8453.34 meters / 24 bridges, 68.25 meters / 1 bridge, and 48 culverts. There are 23,351.35 m / 13 tunnels, including 12780.5 m / 3 in the long tunnel, 7675.35 m / 5 in the long tunnel, 2809 m / 4 in the middle tunnel and 266.5 m / 1 in the short tunnel. There are 6 interchanges in Canglong (hub), Zhongyuan, Songlin, Jindingshan (hub), Xiangkou and Taoxi (hub). There are 4 ramp toll stations, 1 parking area (additional floor-to-door service function), 1 service area, 1 communication monitoring sub-center, 1 tunnel management station, and 1 maintenance work area. The whole line adopts the standard construction of two-way six-lane expressway with a design speed of 100 km/h and a subgrade width of 33.5 m.

After the completion of the expressway, the mileage of Renhuai to Zunyi is only 50 kilometers, which will promote the development of tourism in the northern part of Guizhou Province and improve the overall economic and social level of Zunyi.