When did Guizun Expressway start construction?

The double-track project of Guizun Expressway starts from Qingshan Village, Xia Zi Town, Xinpu New District, Zunyi County, Zunyi City, and passes through Shangji Town. After crossing the Wujiang natural barrier with a main span of 350 meters, it enters Nanmudu Town, Kaiyang County, Guiyang City, and then passes through Kaiyang County, Hefeng Buyi and Miao Township and Paddy Field, ending in Xiaba Village, Wudang District, Guiyang City. The total length is 147 km, and the estimated investment is 22.35 billion yuan. The control projects of this line include Wujiang Bridge with a main span of 350m, Xianghuo Rock Bridge with a main span of 300m, Changtanhe Bridge with a main span of 200m, Xintianpo Bridge with a main span of 200m and Dapingzi Tunnel. The double track of Guizun Expressway has been fully started on June 2014+February 13, and it is expected to be 20 13.