China's oldest subway line to expand into Beijing suburbs

BEIJING, Jan. 18 (Xinhua) -- Construction on the latest expansion of Beijing Subway Line 1, which became China's first urban subway line when it opened in 1969, began on Thursday, local authorities said.

The expansion will extend approximately 21 kilometers into Beijing's southwestern suburbs, and nine stations will be added to improve the city's urban rail transit network, according to the Beijing Major Projects Construction Headquarters Office.