No train route, but you can take bus and ferry. Jiangmen Ferry terminal is in Waihai Streer, Jianghai District. In addition, you can find direct cross-boundary bus at Gangzhou Hotel at 7:05 and 14:45, Huaqiao Hotel at 7:10, 13:30 14:50, 17:30, Xinhui Tsui Hung Chun Hotel at 7:20, 13:40, 15:10, 17:45, Jiangmen Shengli Bus Terminal at 7:00, 17:50 to Hong Kong (Tun Man, Tsuen Wan, Mongkok, Sheung Wan, Wanchai, etc).