The newly-built Weng'an-Kaiyang Expressway officially opened to traffic on Dec 31, following a construction period of three years and nine months.
The new Xizhou Avenue located in Kaiyang county opened to traffic on April 30, according to local media reports.
Guiyang Longdongbao International Airport in Guiyang, the capital of Southwest China's Guizhou province, started its summer flight schedule on March 28.
Guiyang Metro Line 3 started construction on Dec 30, 2018 and is expected to be begin trial operations on Dec 30, 2023.