For 25 years, six countries in the Greater Mekong Subregion have been promoting regional economic development. Upgrading cross-border transport networks is a key area of investment.
Six well-developed road networks now connect the countries of Southeast Asia.
The final leg of the 813-kilometer North-South Corridor from Kunming in southern People’s Republic of China to Hai Phong, Viet Nam, was upgraded in 2014. People and goods now flow freely all along the route.