Florida State Road 421

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State Road 421 marker

State Road 421
Route information
Maintained by FDOT
Length4.001 mi[1] (6.439 km)
Major junctions
West end I-95 in Port Orange
East end US 1 / SR A1A in Port Orange
Highway system
SR 419SR 423

State Road 421 (SR 421) is a major thoroughfare that runs east–west through Port Orange, Florida from Interstate 95 east to US 1 where it turns into State Road A1A. It is partially 6 lanes (from I-95 east to State Road 5A) and 4 lanes (from SR 5A east to US 1), and is known locally as Taylor Road (for about half a mile east of I-95) and Dunlawton Avenue.

Taylor Road continues west as County Road 421 to County Road 415 (Tomoka Farms Road).[2]

Major intersections[edit]

The entire route is in Port Orange, Volusia County.

0.0000.000west end of state maintenance
0.0550.089 CR 4009 (South Williamson Boulevard)
0.240.39 I-95 (SR 9) to I-4 – Jacksonville, MiamiI-95 exit 256
1.0681.719 CR 483 (Clyde Morris Boulevard)
2.3823.833 SR 5A (Nova Road)
4.0016.439 US 1 (South Ridgewood Avenue / SR 5) / SR A1A north (Dunlawton Avenue)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b FDOT straight line diagrams Archived March 6, 2014, at the Wayback Machine, accessed March 2014
  2. ^ FDOT Map of Volusia County