State Road 421 is a major thoroughfare that runs east–west through Port Orange, Florida

Florida

Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

 from Interstate 95

Interstate 95 in Florida

Interstate 95 is the main Interstate Highway on the east coast of the United States; it serves the Atlantic coast of Florida. It begins at a partial interchange with U.S. Highway 1 just south of downtown Miami, and heads north past Daytona Beach and Jacksonville to the Georgia state line at the St...

 east to US 1 where it turns into State Road A1A

State Road A1A (Florida)

State Road A1A is a Florida State Road that runs mostly along the Atlantic Ocean, with sections from Key West at the southern tip of Florida, to Callahan, just south of Georgia. It is the main road through most oceanfront towns. SR A1A is designated the A1A Scenic and Historic Coastal Highway, a...

. It is partially 6 lanes (from I-95 east to State Road 5A

State Road 5A (Florida)

State Road 5A, also known as Nova Road, is a north south highway that begins and ends at U.S. Highway 1 , in Port Orange and Ormond Beach, respectively...

) 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 Volusia County

Volusia County, Florida

Volusia County is a county located in the state of Florida. The U.S. Census Bureau 2010 official county's population was 494,593 . Its county seat is DeLand, and its most populous city is currently Deltona....

 Road 421 to Tomoka Farms Road

State Road 415 (Florida)

State Road 415 is a north–south route in Central Florida running between State Road 44 in Volusia County and State Road 46 in Seminole County.The road continues north of State Road 44 to US 92 as Volusia County Road 415, Tomoka Farms Road....

.

Major intersections

• Western terminus: I-95
  Interstate 95 in Florida
  Interstate 95 is the main Interstate Highway on the east coast of the United States; it serves the Atlantic coast of Florida. It begins at a partial interchange with U.S. Highway 1 just south of downtown Miami, and heads north past Daytona Beach and Jacksonville to the Georgia state line at the St...
  
   (continues as CR 421)
• CR 483
• SR 5A
  State Road 5A (Florida)
  State Road 5A, also known as Nova Road, is a north south highway that begins and ends at U.S. Highway 1 , in Port Orange and Ormond Beach, respectively...
  
  
• Eastern terminus: US 1 (continues as SR A1A
  State Road A1A (Florida)
  State Road A1A is a Florida State Road that runs mostly along the Atlantic Ocean, with sections from Key West at the southern tip of Florida, to Callahan, just south of Georgia. It is the main road through most oceanfront towns. SR A1A is designated the A1A Scenic and Historic Coastal Highway, a...
  
  )