Wan Chai District. Causeway Bay Station is a MTR Island Line railroad station located in Causeway Bay, Wan Chai District, Hong Kong, China. The station is also the closest railroad station to the Hong Kong Cross-Harbour Tunnel, Kennedy Road Flyover, Wong Nai Chung Gap Flyover and Aberdeen Tunnel. Causeway Bay Station is an underground station located underneath Hennessy Road and George Street, with three disconnected concourses. The station has two side platforms, one at the top and one at the bottom, both equipped with platform screen doors.