Group 1 - The project for the Shenzhen-Nansha Intercity Railway planning and construction scheme has been awarded to China Railway Fifth Survey and Design Institute Group Co., Ltd. and Shenzhen National High-tech Industry Innovation Center for 1.681 million yuan, marking significant progress in connecting Shenzhen, Nansha, and Zhongshan [1][2] - The project aims to study station positioning, system standards, and financing plans, laying the groundwork for inclusion in the Greater Bay Area intercity railway construction plan [1][2] - The Shenzhen-Nansha Intercity Railway is planned to connect with the Zhongshan Cuiheng New District South Zhong Pearl Intercity Railway to the west and the Shenzhen Airport area to the east, achieving rail connectivity across the Pearl River Estuary [1][2] Group 2 - The successful bid for the Shenzhen-Nansha Intercity Railway planning scheme indicates that the highly anticipated intercity line and stations will commence preliminary research, marking a breakthrough in the interconnectivity of the Greater Bay Area's "horizontal corridor" [2]