Zhongnan Mountain Highway Tunnel
Last updated 2026-11-15 — Zhongnan Mountain Highway Tunnel: With a single tunnel stretching 18.02 kilometers and both tunnels combined measuring 36.04 kilometers, it boasts the world's largest construction scale and is the longest highway tunnel in China…
Zhongnan Mountain Highway Tunnel
The Zhongnan Mountain Highway Tunnel: Featuring a single tunnel that is 18.02 kilometers long and dual tunnels totaling 36.04 kilometers, it holds the record as the world’s largest in scale and is the longest highway tunnel in China. It takes about 15 minutes to drive through. To alleviate driver fatigue and ensure driving safety, it is equipped with one of the most advanced special lighting systems in highway tunnels worldwide—definitely worth a visit.
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