Home » Atal Tunnel- World’s Longest Highway Tunnel

Atal Tunnel- World’s Longest Highway Tunnel

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Now Leh is closer than ever. The Atal tunnel is now ready on Leh-Manali highway!

This news is not less than a dream come true for all the travel freaks who have a special corner for adventurous places in their heart. If you are an Indian and a traveller then, Ladakh is the spot that will be in your favourite list forever.  

Let’s move forward and explore some major points related to Atal Tunnel. 

Atal Tunnel (also known as Rohtang Tunnel) is a highway tunnel built under the Rohtang Pass in the eastern Pir Panjal range of the Himalayas on the Leh-Manali Highway in Himachal Pradesh, India. At a length of 9.02 km, it is the longest tunnel at an elevation 10,171 feet (3180 metres) in the world and is named after former Prime Minister of India, Atal Bihari Vajpayee.

History about Atal Tunnel:

The work of this tunnel was started on 28 June, 2010 and the project was led by Border Roads Organization. It is a very big achievement for BRO as well as the Indian government to successfully make a 9.02 kilometre big tunnel at this much height above sea level of 10171 ft (3100 metres).

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About Atal Tunnel:

The tunnel reduces the travel time and overall distance between Manali and Keylong on the way to Leh. This tunnel has reduced the length from Manali to Leh by 46km (28.6 miles) saving 4-6 hrs of the journey.

Earlier the route for Manali to Leh was from the Rohtang pass which often got affected by snowfall and was opened only 4 months in a year. Now, with this tunnel, road travel to Leh can be done round the year.

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A 2.25 m tall and 3.6 m wide emergency tunnel has been integrated into the tunnel cross-section beneath the main carriageway for evacuation during emergencies.

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Some Interesting facts:

  1. Length:  9.02km (5.60miles)
  2. Width: 10metres (33ft)
  3. Number of lanes: 2
  4. Restricted Speed: 40-80km/hr (25-50mph)
  5. Costing: 3200 Crore

Some Important Information Related to Atal Tunnel

  1. CCTV with auto-incident detection (every 250 metres)
  2. World’s longest tunnel pass above 10,000 ft (avoid Rohtang Pass it’s a bridge pass pass at an elevation of 3,978 metres (13,051 ft))
  3. Route shorted by 46 km saving 4-6 hrs of journey
  4. Provides all year access to Lahaul Spiti Valley
  5. Consists of an emergency Tunnel beneath earth
  6. Air quality monitoring every 1 km, Fire hydrant every 60 m, Exit signs every 25 m, Telephone every 150 m.

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