Guiyang subway Line 2 entered trial operation on Dec 29. The train of subway Line 2 has white and black as its base colors.
The traffic connectivity projects in Guiyang and Guian New Area, Southwest China's Guizhou province, saw significant progress in 2020.
The key pivotal project of the Guiyang-Nanning High-speed Railway is being constructed in an efficient and orderly manner.