Paris for 31 percent of the GDP of France. According to the Economist Intelligence Unit Worldwide Cost of Living Survey in 2018, Paris was the second-most expensive city in the world, behind Singapore and ahead of Zurich, Hong Kong, Oslo and Geneva. The city is a major rail, highway, and air-transport hub served by two international airports: Paris-Charles de Gaulle (the second busiest airport in Europe after London Heathrow Airport with 69.5 million passengers in 2017) and Paris-Orly. Opened in 1900, the city's subway system, the Paris Métro, serves 5.23 million passengers daily, and is the second busiest metro system in
Airport West, Victoria the distinction of being the only locality in Australia which does not itself contain an airport to contain the word "Airport." The present Airport West post office opened on 22 November 1982. The Niddrie North office which opened in 1960 was known as Airport West between 1974 and 1982, before reverting to Niddrie North. Tram route 59 travels from Westfield Airport West (at Matthews Avenue), then runs via Matthews Avenue, Keilor Road, Mount Alexander Road, Fletcher Street, Pascoe Vale Road, Mount Alexander Road, Flemington Road and then terminates at the corner of Elizabeth Street and Flinders Street, at Flinders Street