The Zunyi-Guiyang Highway project in southwest China's Guizhou Province became fully operational on Tuesday. /VCG Photo

The 1,549-kilometer long project can handle daily traffic volume of 50,000 vehicles compared to 30,000 previously. /VCG Photo

It will also cut travel time between Zunyi and Guiyang by 45 minutes. /VCG Photo

Over 90 bridges were built for the expansion project./VCG Photo

The project has made use of the most advanced highway construction technologies in China. /VCG Photo