 It begins at the A256 within Dover, running up Castle Hill and passing Dover Castle on its eastern side and the Duke of York's Royal Military School on its western side.It then crosses the A2 at a four-way roundabout (called Guston Roundabout) at the top of Jubilee Way before running behind the East Kent coast, with turn-offs to Westcliffe, Martin Mill and St Margaret's at Cliffe.It then runs through Ringwould (passing Ripple Mill), Walmer and Deal.