The traffic connectivity projects in Guiyang and Guian New Area, Southwest China's Guizhou province, saw significant progress in 2020.
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 key pivotal project of the Guiyang-Nanning High-speed Railway is being constructed in an efficient and orderly manner.