A view of Circular Quay Railway Station and the Circular Quay Ferry Wharves. Circular Quay is a major Sydney transport hub, with a large ferry, rail and bus interchange. The railway station, built in 1956, is on the City Circle line servicing a number of City Rail services. The ferry wharves are a terminal for Sydney Ferries services. The Cahill Expressway runs above the railway platforms, linking the Sydney Harbour Bridge with the Eastern Distributor.