The 420 bus expert services Sydney Airport, but this doesn’t run to or in the CBD. The 420 operates up to Mascot, or Burwood in the alternative direction. You usually takes a bus from Sydney Airport to Mascot and connect with the town by way of coach as we’ve outlined https://messiahzseqt.illawiki.com/1021430/what_does_sydney_international_airport_taxi_limousine_mean