The 420 bus services Sydney Airport, but this doesn’t run to or from your CBD. The 420 operates as many as Mascot, or Burwood in the opposite route. You usually takes a bus from Sydney Airport to Mascot and hook up with town by means of train as we’ve outlined https://sydney-international-airp46840.blogdeazar.com/31008393/what-does-sydney-international-airport-taxi-limousine-mean