Atal tunnel: PM Modi to inaugurate Rohtang tunnel tomorrow; 15 facts about “world’s highest” highway tunnel

Atal Tunnel: Shaped like a horse-shoe, the Rohtang tunnel is double-laned and in a single tube. Moreover, it has a roadway of 8 metres. The overhead clearance of the tunnel is 5.525 metres. The width of the tunnel is 10.5 metres.