Kong–Macau Ferry Terminal on Hong Kong Island and Hong Kong China Ferry Terminal in Kowloon. The trip by ferry takes about 1.5 hours. Railway Guangzhou–Zhuhai Intercity Railway serves the city of Zhongshan with seven stations. Metro The Zhongshan Metro system is currently under planning with 2 lines. Aviation There is a bus service from Zhongshan to Shenzhen Bao'an International Airport in Shenzhen. Additionally Zhongshan is served by Hong Kong International Airport; ticketed passengers can take ferries from the Zhongshan Ferry Terminal to the HKIA Skypier. There are also coach bus services connecting Zhongshan with HKIA. Major projects The Shenzhen-Zhongshan Bridge will connect Zhongshan with the city of Shenzhen on the Eastern side of the Pearl River Delta. It will consist of a series of bridges and tunnels, starting from Bao'an International Airport on the Shenzhen side. Construction of the proposed eight-lane link started in 2017, with completion scheduled for 2024. Twin towns – sister cities Zhongshan has seven sister cities: Burnaby, British Columbia, Canada (2011) Puntarenas, Costa Rica Culiacán, Mexico Cairns, Australia Alameda County, California, United States Honolulu, Hawaii, United States (1997) Moriguchi, Osaka, Japan (1998) References External links Zhongshan government website Zhongshan News website Zhongshan News website (translated to English by Google) Prefecture-level divisions of Guangdong Pearl River Delta