What is the first multi-country and multi-port expressway with six corridors and six roads?

China-Laos Kunming-Wanzhou Railway is the first expressway in Liulang and Liulu, passing through many countries and ports.

China-Laos Kunming-Wanzhou Railway is the first expressway from Liulang to Liulu. It is an electrified railway connecting China, Yunnan, Kunming and Vientiane, Laos. It was built in China according to the national railway I standard. It is one of the major international logistics channels for the construction of the Belt and Road Initiative, connecting several important ports in six countries, and is an important economic cooperation project between China and Laos, which is conducive to promoting economic development and trade between countries along the route.