World's Longest Bi-Lane Tunnel Along India-China Border Nears Completion

In a big push for better connectivity towards the Eastern Sector of the Indo-China border, the Border Roads Organization (BRO) has completed 90 per cent of construction works of the strategically important Sela Tunnel in Arunachal Pradesh. Once completed, the tunnel will provide all-weather thoroughfares for the people of Tawang in Arunachal Pradesh and will be the world's longest bi-lane tunnel at an altitude above 13,000 feet. The Sela Tunnel project comprises two tunnels - Tunnel 1, which is a 980-meter-long single-tube tunnel, and Tunnel 2, which is a 1,555-meter-long twin-tube tunnel.