New Delhi: On October 3, Prime Minister Narendra Modi  inaugurated the Atal Tunnel under the Rohtang Pass. The Atal Rohtang Tunnel is the longest highway tunnel in the World.

It is built with ultra-modern specifications in the Pir Panjal range of Himalayas at an altitude of 3000 metres (10,000 Feet) from the Mean Sea Level (MSL).

In a statement released by  Prime Minister’s Office on Friday, the Atal tunnel reduces the road distance by 46km between Manali and Leh and the travel time by about four to five hours.

The South Portal (SP) of Atal Tunnel is located at a distance of 25 Km from Manali at an altitude of 3060 Mtrs, while the North Portal (NP) of the tunnel is located near village Teling, Sissu, in Lahaul Valley at an altitude of 3071 Mtrs.

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It is horse shoe shaped, single tube double lane tunnel with a roadway of 8 Mtrs. It has an overhead clearance of 5.525 Mtrs.

It is 10.5-metre wide and has a 3.6 x 2.25 Mtrs fire proof emergency egress tunnel built into the main tunnel itself.

Atal Tunnel has been designed for traffic density of 3000 cars per day and 1500 trucks per day with a max speed of 80 km/hr.

It has the state of the art electromechanical system including semi transverse ventilation system, SCADA controlled firefighting, illumination and monitoring system.