Existed: 1952 – present Counties: Aiken Constructed 1952 | North end: US 1 / US 78 in Aiken Length 16.67 km | |
South end: US 1 / US 78 / US 278 / SC 125 in Clearwater County Aiken County, South Carolina | ||
South Carolina Highway 421 (SC 421) is a primary state highway in the U.S. state of South Carolina. It is an alternate route to US 1/US 78 between Aiken and Augusta, Georgia.
Contents
Map of SC-421, South Carolina, USA
Route description
SC 421 begins where it splits off from the US 1/US 78 (Jefferson Davis Highway) west of North Augusta; it immediately connecting with US 278/SC 125 (Atomic Road). Heading northeast, it parallels US 1/US 78 to its south, going through the towns of Clearwater, Burnettown, Langley, Gloverville and Warrenville. Upon entering Aiken, it reconnects with US 1/US 78. Majority of the highway is four-lanes that travels a total of 10.5 miles (16.9 km).
History
Established by 1952 as a renumbering of US 1/US 78, which was realigned onto new four-lane routing just north of it. The route has remained unchanged since inception.
Major intersections
The entire route is in Aiken County.