贵州江口至瓮安高速公路里程全长143.272公里，项目总投资为160.03亿元，以BOT+EPC+政府补贴方式投资，建设期为3年，于2015年12月建成通车，运营期30年。
　　Guizhou Jiangkou-Weng'an Expressway is 143.272km long, with the total investment amount of 16.003 billion yuan, and it is built by using BOT + EPC + subsidies during construction period, with 3 years of construction period; it is opened to traffic in December 2015, with 30 years of operation period.