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.

Bolney is a village and civil parish in the Mid Sussex district of West Sussex, England. It lies 36 miles (58 km) south of London, 11 miles (18 km) north of Brighton, and 27 miles (43 km) east northeast of the county town of Chichester, near the junction of the A23 road with the A272 road. The parish has a land area of 1,479.41 hectares. In the 2001 census there were 1209 people living in 455 households of whom 576 were economically active. At the 2011 Census the population had increased to 1,366. Nearby towns include Burgess Hill to the southeast and Haywards Heath to the east.