State Road 421 (SR 421) is a major thoroughfare that runs east–west through Port Orange, Florida from Interstate 95 (I-95) east to U.S. Route 1 (US 1) where it turns into SR A1A. It is partially six lanes (from I-95 east to SR 5A) and 4 lanes (from SR 5A east to US 1), and is known locally as Taylor Road (for about east of I-95) and Dunlawton Avenue. Taylor Road continues west as County Road 421 (CR 421) to CR 415 (Tomoka Farms Road). Major intersections References External links 421 421 0421