Explained: All you need to know about the Rohtang Tunnel

Without this link, opened on humanitarian grounds for Himachal Roadways bus service and some emergency vehicles, these villagers would have remained cut off for the next six months.

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An inside view of the 8.8 km tunnel. (Express photo by Jasbir Malhi)

The Rohtang Tunnel, when complete, will cut through the mighty Pir Panjal range and become the world’s longest highway tunnel above 10,000 feet. For now, the tunnel provides a temporary winter link to the outside world not only to residents of Lahaul and Spiti but also to those living in Zanskar Valley of Ladakh. Without this link, opened on humanitarian grounds for Himachal Roadways bus service and some emergency vehicles, these villagers would have remained cut off for the next six months.