About Sela Tunnel Project:
- Location: It is located in the West Kameng district of Arunachal Pradesh.
- Once completed, the Sela tunnel will be the world's longest bi-lane tunnel at an altitude above 13,000 feet.
- It will ensure all-weather connectivity between Guwahati in Assam and Tawang in Arunachal Pradesh.
- It is being excavated below the Sela Pass on the NH-13 component of the Trans-Arunachal Highway system.
- It is being built by the Border Roads Organisation (BRO)under Project Vartak and the tunnel's construction commenced on April 1, 2019.
- Project Details:
- Tunnel 1: This single-tube tunnel has a length of 980m.
- Tunnel 2: This bi-lane tunnel has a length of 1555m. It includes one escape tube for emergencies.
- Roads: Approach to Tunnel 1 is 7100m, the road between the two tunnels is 1340m, and the approach to Tunnel 2 is 340 m long.
Key Facts about Sela Pass:
- It is a high-altitude mountain pass located in the Tawang district of Arunachal Pradesh.
- Elevation: 4,170 meters above sea level
- It connects Tawang Valley to the rest of India.
- Open throughout the year, Sela Pass is managed by the BRO.
