Circular Quay is a major Sydney transport hub, with a large ferry, rail and bus interchange. The Cahill Expressway is a prominent feature of the quay, running from the east, over the elevated railway station to join the Sydney Harbour Bridge in the west. International ships have docked and moored at Circular Quay since the earliest years of the colony. The Overseas Passenger Terminal is a major piece of Sydney transport infrastructure serving cruise ships and ocean liners and their passengers.