Rainham is a town in the unitary authority area of Medway, in the ceremonial county of Kent, England. The town forms a conurbation with neighbouring towns Chatham, Rochester, Strood and Gillingham.

The A2 is a major road in south-east England, connecting London with the English Channel port of Dover in Kent. This route has always been of importance as a connection between London and sea trade routes to Continental Europe. It was originally known as the Dover Road. The M2 motorway has replaced part of the A2 as the strategic route.