The world’s longest highway tunnel was inaugurated on October 3, 2020, by our honorable Prime Minister Narendra Modi. The location of the tunnel is in Rohtang, Himachal Pradesh, India. The tunnel named as the Atal Tunnel by honoring the earlier prime minister Atal Bihari Vajpayee. The project’s foundation stone was laid on 28 June 2010 by Sonia Gandhi. The project was commended to BRO on 6 May 2002.
