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
Sydney Harbour Bridge been used several times since as a framework from which to hang static fireworks, especially during the elaborate New Year's Eve displays. In 2005 Mark Webber drove a Williams-BMW Formula One car across the bridge. In 2007, the 75th anniversary of its opening was commemorated with an exhibition at the Museum of Sydney, called "Bridging Sydney". An initiative of the Historic Houses Trust, the exhibition featured dramatic photographs and paintings with rare and previously unseen alternative bridge and tunnel proposals, plans and sketches. On 18 March 2007, the Sydney Harbour Bridge celebrated its 75th anniversary. The occasion was marked with