Park Royal is a station on the Piccadilly line of the London Underground. It is between North Ealing and Alperton and is in Travelcard Zone 3. It is situated on the south side of the east–west Western Avenue (A40), surrounded by residential Ealing and industrial Park Royal. There is a pedestrian subway under the A40 road near the station. The station's platforms have a continuous significant gradient (sloping up from south to north).