Sun’anshan Tunnel on Yiyang-Loudi-Hengyang Expressway
Released at: 13 March,2019
The Sun’anshan Tunnel in the S71 Yiyang-Loudi-Hengyang section was finally completed in December 2016, with a total length of 3,540 m, the clear width of 10.75 m and the clear height of 5.0 m.
Company Name: Hunan Communication & Water Conservancy Group Ltd.
