Two ramps of the Hangtian Road Interchange in Wudang district were opened to traffic on July 1.
Guiyang Metro Line 3 started construction on Dec 30, 2018 and is expected to be begin trial operations on Dec 30, 2023.
Guiyang Metro Line 1 started construction in October, 2013 and is expected to be open for public use by December, 2018.