BEIJING, Sept. 28 (Xinhua) -- China, home to the world's largest high-speed rail network, opened four major high-speed railway sections to traffic on Monday, improving transport links across several regions.

The new sections connect Xiong'an in Hebei Province with Shangqiu in Henan Province, Xi'an with Ankang in Shaanxi Province, Yichang with Xingshan in Hubei Province, and Harbin with Yichun in Heilongjiang Province.

Spanning northern, northwestern, central and northeastern China, the new lines will facilitate travel for residents, improve regional connectivity and support economic development.