It is located on high ground just northwest of Brighton railway station, south of the Prestonville area, and approximately ¾ mile north of the seafront.
The roundabout itself, constructed in 1925 is notable as an early example of this type of road junction in the UK, and preceded the installation of semaphore signals in Brighton in 1927.
[1] In central Brighton, where seven roads meet; clockwise from the north, these are: The area began to be developed with a mixture of terraced houses and more substantial Victorian villas shortly after the London and Brighton Railway opened sections of its lines in the area.
The route westwards to Shoreham-by-Sea (opened in 1840) ran through the area, while the Brighton Main Line (1841) and the throat of Brighton station lie on the eastern edge.
A 2013 revamp of the junction is intended to improve its appearance, make it safer for cyclists, and easier for pedestrians.