What is the nearest expressway from Yibin to Kunming?

Sichuan-Yunnan Expressway is a relatively new expressway, connecting Yibin, Sichuan and Kunming, Yunnan. The Yibin-Kunming section of Sichuan-Yunnan Expressway has been completed and opened to traffic, with a total length of 560 kilometers and a driving time of 8-9 hours. This expressway is located in the southwest of China, passing through Sichuan and Yunnan provinces, and passing through many large bridges and tunnels along the way. The scenery is beautiful, but some sections are rugged, so it is necessary to pay attention to safe driving.