BEIJING - China's state planner said on Thursday that it had approved urban railway projects worth a total of 113.89 billion yuan ($16.9 billion) in Zhengzhou city, the capital of central Henan province.

The projects that include six new subway lines are expected to span 326.54 kilometers when completed by 2024, according to a statement from the National Development and Reform Commission.

($1 = 6.7368 Chinese yuan)

(Reporting by Beijing Monitoring Desk Editing by Jacqueline Wong) ((yifan.qiu@thomsonreuters.com; 86-10-66271289;))