Sydney extend the system through the CBD by 2024. At the time the Sydney Harbour Bridge opened in 1932, the city's ferry service was the largest in the world. Patronage declined from 37 million passengers in 1945 to 11 million in 1963 but has recovered somewhat in recent years. From its hub at Circular Quay the ferry network extends from Manly to Parramatta. Sydney Airport, officially "Sydney Kingsford-Smith Airport", is located in the inner southern suburb of Mascot with two of the runways going into Botany Bay. It services 46 international and 23 domestic destinations. As the busiest airport in Australia
Middle Harbour Sydney and the suburbs known as the Northern Beaches area which lie north and east of Middle Harbour. There are only two bridges - the Spit Bridge and the Roseville Bridge. Because of this obstacle, historically the main transport between Manly and Sydney was by ferry. Since the 1920s, most of the land on the ridge-tops around Middle Harbour have been developed for suburban housing. Much of the rugged shore of the Middle Harbour remains covered with bushland, most of it now protected by parks and reserves. Middle Harbour is a popular area for recreational boating and fishing. Middle Harbour