Atal Tunnel Rohtang

Atal Tunnel at Manali Leh Highway will be inaugurated by Prime Minister Narendra Modi today. (ANI)

The 9.02 km long tunnel connects Manali to Lahaul-Spiti valley .An altitude of 30
00 metres (10,000 feet) from the Mean Sea Level (MSL).
It reduces the road distance by 46 km between Manali and Leh and the time by about four to five hours.
It is 10.5-metre wide and has a 3.6 x 2.25 metres fire-proof emergency egress tunnel built into the main tunnel itself.
It is horseshoe-shaped, single tube double lane tunnel with a roadway of 8 metres.
If any fire incident happens so first thing is how the people trapped are to be rescued. For that there is an entry at every 500 metres.
Atal Tunnel has been designed for traffic density of 3000 cars per day and 1,500 trucks per day with max speed of 80 km/hr.
Telephone connections at every 150 metres for emergency communication, fire hydrant mechanisms at every 60 Metres.
Auto incident detection system with CCTV cameras at every 250 metres, air quality monitoring at every one Km, evacuation lighting/exit signs .
There are evacuation lighting and exit signs at every 25 metres and broadcasting system throughout the stretch.
This tunnel also covers 4g signal through out.
It is operational 12 months in the year.

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