It is considered a major boost for trade and economic development in the Asia-Pacific region, featuring a trans-container goods train link from Dhaka to Istanbul. This corridor covers Bangladesh, Bhutan, India, Nepal, Pakistan, Afghanistan, Iran and Turkey. Although Bhutan and Afghanistan are not directly connected by the railway route, Bhutan is connected by road to Kolkata, and containers may be transported to Afghanistan by road from the railway station in Quetta. Nepal is connected to this corridor from Birgunj to Kolkata.