China drilled 18 kilometres through the Qinling Mountains and added glowing “artificial sky” sections inside the tunnel to help reduce driver fatigue

The Qinling Zhongnanshan Tunnel in China, stretching 18 kilometers, showcases innovative lighting technologies aimed at preventing driver fatigue. Opened in 2007, its ceiling features artificial skies and clouds, creating a visually soothing experience for motorists. Moreover, the tunnel is equipped with state-of-the-art safety and monitoring systems that guarantee seamless functionality and swift emergency responses, illustrating a perfect merger of engineering excellence and user-focused design.

China drilled 18 kilometres through the Qinling Mountains and added glowing “artificial sky” sections inside the tunnel to help reduce driver fatigue
The Qinling Zhongnanshan Tunnel in China, stretching 18 kilometers, showcases innovative lighting technologies aimed at preventing driver fatigue. Opened in 2007, its ceiling features artificial skies and clouds, creating a visually soothing experience for motorists. Moreover, the tunnel is equipped with state-of-the-art safety and monitoring systems that guarantee seamless functionality and swift emergency responses, illustrating a perfect merger of engineering excellence and user-focused design.