The Watford Junction bus departs from Heathrow Airport Central Bus Station Stand 3. It is situated in the Central Area between Terminals 1,2 and 3 by the entrance to the Underground Station. Stand 3 is located to the right of the Central Bus Station, Exit B.
From Watford Junction mainline station:
The Heathrow Airport bus departs from Stop 2, in front of the main entrance to Watford Junction railway station.
