Highway tunnel

The world's longest highway tunnel, Tianshan Shengli, in China. Photo: Xinhua

China completes world's longest mountain tunnel

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The world's longest highway tunnel in China shortens the journey through the Tianshan Mountains from several hours to 20 minutes.

The problem of forest land conversion procedures in the Deo But tunnel construction package of the North-South expressway project has now been resolved. Photo: Tran Tuan.

Removing obstacles in forest conversion at highway tunnels worth over 1,000 billion VND

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Ha Tinh - The road tunnel of the North-South expressway, Eastern phase 2021 - 2025 in Ha Tinh has now had its natural forest conversion procedures cleared.