Explained: The Sela Tunnel – importance and the strategic edge it promises

The strategically-significant Sela Tunnel project in Arunachal Pradesh is nearing completion. A look at its features and why the project matters.

Sela Tunnel project in Arunachal Pradesh. (Express Photo)

The strategically-significant Sela Tunnel project in Arunachal Pradesh is nearing completion. The project entered a decisive phase after a final blast earlier this year marked the culmination of excavation. Upon completion, which is likely by the end of this year, the Sela Tunnel above 13,000-ft will boost all-weather connectivity to the Line of Actual Control with China. A look at its features and why the project matters.

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What does the Sela Tunnel project include?

The project, being executed by the Border Roads Organisation, includes two tunnels and a link road. While Tunnel 1 will be 980 metres long single-tube, Tunnel 2 will be 1,555 metres with one bi-lane tube for traffic and one escape tube for emergencies running alongside. The link road between the two tunnels will be 1,200 metres.

Tunnel 2 will be one of the longest tunnels to have been constructed above an altitude of over 13,000 feet. The project also involves construction of an approach road of 7 km to Tunnel 1, which takes off from BCT Road, and a link road of 1.3 km, which connects Tunnel 1 to Tunnel 2. The total length of the project, including the tunnels, the approach and the link roads, will be around 12 km.

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