贵州安江高速公路

贵州江口至瓮安高速公路全长143.272公里，其中桥梁97座，隧道23座，山高坡陡，峡谷深切，桥隧比43.43%。中交二公局参与投资，并负责全线路基桥涵和路面主体施工任务及机电安装、房建等工程。

Guizhou Jiangkou-Weng'an Expressway is 143.272km long, including 97 bridges and 23 tunnels, with steep hills and deep canyons, and bridges and tunnels occupy 43.43%. CCCC Second Highway Engineering Co., Ltd. participated the investment and was responsible for construction tasks of subgrade, bridges, culverts and main pavement as well as mechanical and electrical installation and building construction of the whole line.