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Traffic travels along Airport Road, known as Tongi Diversion Road, part of the National Highway 3 (N3) in Dhaka, Bangladesh, on Wednesday, Jan. 13, 2016. A new 20-kilometer (13-mile) elevated road, the country's biggest public-private venture, will allow cargo trucks to bypass the capital's crowded intersections. It will connect with a highway, now being widened to four lanes, to the main port of Chittagong. Photographer: Jeff Holt/Bloomberg via Getty Images

Traffic travels along Airport Road, known as Tongi Diversion Road, part of the National Highway 3 (N3) in Dhaka, Bangladesh, on Wednesday, Jan. 13, 2016. A new 20-kilometer (13-mile) elevated road, the country's biggest public-private venture, will allow cargo trucks to bypass the capital's crowded intersections. It will connect with a highway, now being widened to four lanes, to the main port of Chittagong. Photographer: Jeff Holt/Bloomberg via Getty Images