Purley Way is a section of the A23 trunk road in the London Borough of Croydon, in the areas of Purley, Waddon and Broad Green, and has given its name to the out-of-town shopping area alongside it with a catchment area covering most of South London.

The A23 road is a major road in the United Kingdom between London and Brighton, East Sussex, England. It is managed by Transport for London for the section inside the Greater London boundary, Surrey County Council and West Sussex County Council for the section shadowed by the M23 motorway, National Highways between the M23 and Patcham, and by Brighton and Hove Council from the A27 to the centre of Brighton.