BEIJING - China's state planner has approved several urban railway projects worth 474.1 billion yuan ($67.91 billion) in the Guangdong-Hong Kong-Macau Greater Bay Area, the Securities Times reported on Tuesday.

Those projects will have a total length of 775 kilometres, the official media said. ($1 = 6.9812 Chinese yuan)

(Reporting by Lusha Zhang, Judy Hua and Ryan Woo; Editing by Jacqueline Wong) ((LushaZhang1@thomsonreuters.com; 8610-56692106;))