According to the plan, the new S16 Yunchuan Expressway project is expected to be completed by the end of the "15th Five-Year Plan" period. The chief engineer of the Second Command Headquarters of the Third Business Division of Chengtou Highway stated that, in terms of overall progress, the Yanghang Town section and Luojing Town section have commenced construction, while land acquisition work in Yuepu Town is being accelerated.

"At present, greening relocation along the entire line has been basically completed, and relocation of pipelines for communications, power, and water supply is underway. For the G1503 interchange bridges, pile foundations and pile caps are 35% complete, columns and bent caps are 25% complete, and erection of small box girders is 2% complete."

Regarding engineering challenges, the project faces a large quantity of special pipelines concentrated in tight spaces along the route. The chief engineer of the Second Command Headquarters of the Third Business Division of Chengtou Highway said that the project involves the relocation or protection of 7 raw water lines, 1 ultra-high-pressure gas line, 2 heating lines, 13 220kV lines, 1 500kV ultra-high-voltage power corridor, and 2 substations/switching stations. In addition, the route intersects 33 roads and 30 rivers, with 22 new or reconstructed ground bridges and 11 pipeline protection bridges; heavy trucks account for about 40% of traffic, and 11 bus routes (28 stops) are affected.

Source: Shanghai Baoshan