Sela Tunnel is an existing operational road tunnel on NH-13 at 3,000 metres (9,800 ft) which ensures all-weather connectivity between Guwahati in Assam and Tawang in Arunachal Pradesh. This tunnel is the longest bi-lane tunnel in the world at 13,000 feet.
Sela Tunnel is an existing operational road tunnel on NH-13 at 3,000 metres (9,800 ft) which ensures all-weather connectivity between Guwahati in Assam and Tawang in Arunachal Pradesh. This tunnel is the longest bi-lane tunnel in the world at 13,000 feet.
Source: Wikipedia "Sela Tunnel" · CC BY-SA 4.0
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