How long is Shuangqiao Qingping Tunnel in Qingping Town, Hechuan District, Chongqing?

The left hole is 3653 meters long and the right hole is 3598 meters long.

Shuangqiao Qingping Tunnel in Qingping Town, Hechuan District, Chongqing is an extra-long separated tunnel with a total length of 3653 meters in the left tunnel and 3598 meters in the right tunnel, which is the second longest tunnel of Chongqing-Guangzhou Expressway.

Chongqing, referred to as Shancheng and Jiangcheng for short, is a municipality directly under the Central Government of the People's Republic of China, a national central city, a megacity, one of the important national central cities approved by the State Council, the economic center in the upper reaches of the Yangtze River, and the core city of the twin-city economic circle in Chengdu-Chongqing area.