It is on the Uxbridge branch of the Piccadilly line between Alperton and North Ealing stations 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.

[9] First opened as a temporary timber structure, the current station building was designed by Welch & Lander in an Art Deco/Streamline Moderne style influenced by the Underground's principal architect Charles Holden.

A large circular ticket hall with high level windows gives access to the platform stairs.

The most prominent feature of the station building is the tall square tower adjacent to the ticket hall.

In August 2022 a woman died when the Range Rover she was travelling in crashed through a barrier, hit another vehicle and ended up on Piccadilly line tracks at Park Royal Tube station.

London Underground has said that the transport benefits of a Park Royal station on the Central line are not sufficiently high to justify the costs of construction.