Project background：
Located in Huangsha Township, Dianjiang County, Chongqing, with a total investment of 1.31 billion yuan, covering an area of about 2.5 sq. km, Chongqing Chang'an Automobile Proving Ground include 13 main roads, 4 access bridges and nearly 70 special roads. It is the fifth specialized automobile comprehensive provingground in China and the first in western China that meets the national standards. The provingground is the largest dynamic one in China. It has the only wet slippery handling stability road and wet slippery dynamic square in China. It also has 30 kinds of freely combined reliability test roads and more than 20 conditions of comprehensive evaluation roads.
