 3 miles later, it meets the B5410, and junction 4 of the M55 motorway shortly after, entering the District of Blackpool in doing so.As Preston New Road it travels around the edge of the Mereside estate and through Marton before reaching the large Oxford Square junction, where the A587, A5073 and B5390 all join it.The A583 then loses its primary status, heading north as Whitegate Drive to the Devonshire Square junction where it meets the B5124 and B5266.