High Quality Content by WIKIPEDIA articles! Circular Quay is a CityRail station located in Sydney, Australia and is situated on the City Circle line. The station is elevated with the elevated Cahill Expressway roadway directly above it, and lies directly behind (to the south of) the Circular Quay ferry terminals from which services operate to a number of locations around Port Jackson (Sydney Harbour). To the south, the station faces Alfred Street, which is the terminus for a number of bus services. Circular Quay is the nearest railway station to the Sydney Opera House and The Rocks area of Sydney.