Hainan Niu Ling Tunnel is located on the expressway of Hainan East Line, with a total length of 2,892 meters, which is the main traffic artery between qionghai city and Wanning City.
Niu Ling Tunnel is called Niu Ling Tunnel because it passes through the Niu Ling Mountains. Niu Ling is an extension of Wuzhishan and the geographical demarcation point of Hainan Island. Standing at the entrance of the tunnel, there is a surging sea on one side and rolling mountains on the other. This tunnel connects the northern and southern parts of Hainan Island, providing a convenient transportation channel for people.