The A316, known in parts as the Great Chertsey Road, is a major road in England, which runs from the A315 Chiswick High Road, Turnham Green, Chiswick to join head-on the M3 motorway at Sunbury-on-Thames. Its initial London section (to the Hogarth Roundabout) heads south — following this it is a mostly straight dual carriageway aligned WSW.