When was Dalingshan Tunnel in Linhai City opened?

Dalingshan Tunnel in Linhai City was opened in 2025. Because the traffic and tourism guide was released on August 20, 2022, it continued to accelerate! The construction report of Shatantou Tunnel and Dalingshan Tunnel in the coastal section of National Highway 35 1 mentioned that the main line of Dalingshan Tunnel in the coastal section of National Highway 35/KLOC-0 is 20.3 kilometers long, with a total investment of 5.005 billion yuan. Designed according to the technical standard of first-class highway, with two-way and six lanes. The construction period is 3.5 years and it is expected to be completed and opened to traffic in 2025. So the Dalingshan Tunnel in Linhai City was opened in 2025.