By the start of the new millennium most of the A3 had been dualled; of the route from Southfields to Havant, only the section that passed through Hindhead and the Devil's Punch Bowl was still single carriageway.
By the start of the new millennium most of the A3 had been duplicated; of the route from Southfields to Havant, only the section that passed through Hindhead and the Devil's Punch Bowl was still single-track.