Dhaka, Jan. 18 -- The 3.32-kilometre long tunnel under the Karnaphuli River in Chattogram is expected to be ready for vehicular movements by 2022.

"The overall progress of Karnaphuli Tunnel has reached 62 per cent. Once completed, the tunnel will be a part of Asian Highway," Project Director (PD) Engineer Harunur Rashid Chowdhury said on Monday, reports BSS.

He said the total length of the proposed first-ever four-lane Bangabandhu Sheikh Mujibur Rahman tunnel will be around 9.39 kilometres, including 3.32 kilometres of the main tunnel, adding that the total length of the approach road between the western and eastern side will be 5.35 kilometres alongside 727 metres of over bridge (Viaduct).

The project director said the length of the t...