The Atal Rohtang Tunnel:- World’s Longest Highway Tunnel

25th Jun 2021
Photo of The Atal Rohtang Tunnel:- World’s Longest Highway Tunnel 1/1 by Neeraj Dhiman

The Atal Rohtang Tunnel 9.02 kilometres long, the “World’s Longest Tunnel highway” over 10,000 feet joins Manali to the Lahaul-Spiti Valley throughout the year. The historical decision to make a tunnel below the Rohtang Pass was taken on June 3, 2000 when Atal Bihari Vajpayee was the Prime Minister of India, & then PM Modi ushers in Rohtang’s Atal Tunnel on 3 Oct 2020.

The expediency research study for the Atal Tunnel was first performed in 1990. The structure rock for the access road to the south site of the Tunnel was laid on May 6, 2002. The very first blast happened in 2010 as well as the last blast in 2017. The passage was created making use of drill and also blast NATM (Brand-new Austria Tunnelling Approach) strategies.

A Strategic Atal Rohtang Tunnel under the renowned Rohtang Pass is set to reduce the distance between Manali and Leh by 46 kilometres. The very best component is that the World’s Longest Tunnel at 10,000 feet is lastly prepared after ten years. It took almost two decades to be functional since the time of conception in 2000 under Atal Bihari Vajpayee government with its foundation stone laying on May 26, 2002.

Automobiles will certainly have the ability to take a trip at a maximum speed of 80 km/hr. The Tunnel additionally attends to a telephone every 150 metres, fire hydrants every 60 metres as well as emergency situation gateways every 500 metres. There is a turning cavern every 2.2 kilometres as well as air high-quality tracking systems each kilometres. Broadcasting system and also incident detection system with CCTV electronic cameras are additionally positioned at every 250 metres.

The South Portal (SP) of Atal Tunnel lies at a distance of 25 kilometres from Manali at an elevation of 3,060 metres, while the North Portal (NP) of the passage lies near town Teling, Sissu, in Lahaul Valley at an elevation of 3,071 Metres.

Atal Tunel has actually been created for traffic density of 3000 carsdaily as well as 1,500 trucks daily with max speed of 80 km/hr. It has the state of the art electromechanical system including semi transverse ventilation system.

It is additionally the nation’s very first Tunnel to have an escape tunnel within the main tunnel which would certainly provide an emergency escape in case of an unfortunate event. The Tunnel is additionally the very first to release the Rowa flyer technology, which enabled designers to operate at upside-down degrees.