from Manali along Leh-Manali highway. The Atal tunnel will shorten the distance by . Total Length of Atal Tunnel is 8.845 km and bypasses Rohtang pass. It is horse shoe shaped, single tube, two lane tunnel with 8 meters of roadway. Drill & Blast method of tunneling with New Austrian Tunneling Method (NATM) philosophy is being used for the construction of the Atal Tunnel.