South Carolina Highway 18

SC Highway 18 marker

SC Highway 18
Route information
Maintained by SCDOT
Length: 39.0 mi[1] (62.8 km)
Existed: 1938 – present
Major junctions
West end: US 176 / SC 215 in Union
 
East end: NC 18 at the North Carolina line
Location
Counties: Union, Cherokee
Highway system
  • South Carolina Highways
← US 17SC 19 →

South Carolina Highway 18 (SC 18) is a primary state highway in the U.S. state of South Carolina. It serves to connect the cities of Union, Gaffney and Shelby, North Carolina.

Route description

SC 18 is a 39.0-mile (62.8 km) two-lane rural highway. In Gaffney, it goes through the downtown area along Fredrick Street and overlaps with the Overmountain Victory National Historic Trail.

History

SC 18 was established in 1938 as a renumbering of SC 111, from US 29, in Gaffney, to the North Carolina state line. In 1940, SC 18 was extended south along new primary routing to SC 9, in Pacolet.[2] In 1942, it was extended again along new primary routing to SC 56, south of Glenn Springs.[3] In 1960-1961, SC 18 was rerouted at Gaffney to US 176/SC 9, in Jonesville, replacing part of SC 11; its old alignment became part of SC 150.[4][5] In 1989, SC 18 was extended to its current western terminus at US  176/SC 215, replacing part of US 176 and all of US 176 Bus.[6]

The first SC 18 was an original state route, established in 1922 between SC 17, in Westminster, and SC 20, in Abbeville. In 1938, most of SC 18 was renumbered as part of SC 24.

Junction list

CountyLocationmi[1]kmDestinationsNotes
UnionUnion0.00.0 US 176 / SC 215 – Gaffney, Spartanburg, Newberry, Chester
1.72.7 SC 49 (Arthur Boulevard) – Union, Laurens
2.43.9Harwood Heights – Buffalo
3.15.0 To US 176 / Connector Road
​7.111.4 SC 114 north (Bob Little Road) – Gaffney
​9.515.3 SC 9 south (Jonesville Highway) – ChesterSouth end of SC 9 overlap
Jonesville10.717.2 SC 9 north (Main Street) – SpartanburgNorth end of SC 9 overlap
​14.723.7 SC 114 south (Bobby Faucette Road) – Union
Cherokee​18.129.1 SC 211 east (Gowdeysville Road) – Hickory Grove, YorkEast end of SC 211 overlap
Asbury18.830.3 SC 211 west (Asbury Road)West end of SC 211 overlap
Gaffney28.646.0 SC 105 south (Wilkinsville Highway) – Hickory GroveSouth end of SC 105 overlap
28.946.5 SC 105 north (Union Street)North end of SC 105 overlap
30.148.4 SC 150 (Limestone Street)North end of SC 11 overlap
30.248.6 US 29 (Granard Street) – Shelby, Gastonia, Spartanburg, Greenville
30.348.8 SC 11 south (Fredrick Street) – ChesneeSouth end of SC 11 overlap
30.749.4 SC 150 (Providence Road) – Boiling Springs
​32.552.3 To I-85 south / Pleasant School Road – Spartanburg
​33.854.4 SC 329 south (Victory Trail Road) – Blacksburg
​34.054.7 I-85 – Charlotte, Spartanburg
​37.460.2Blacksburg Highway – Blacksburg
State line39.062.8 NC 18 – ShelbyContinuation into North Carolina
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Bannered routes

Union truck route


SC Highway 18 Truck
Location: Union, South Carolina
Length: 3.9 mi[7] (6.3 km)

South Carolina Highway 18 Truck (SC 18 Truck) is a 3.4 miles (5.5 km) follows along Duncan Bypass, in concurrency with US 176/SC 215, then reconnects with SC 18 at Connector Road.

Union connector route 1


SC Highway 18 Connector
Location: Union, South Carolina
Length: 0.1 mi[8] (0.2 km)

South Carolina Highway 18 Connector (SC 18 Conn) is a brief 0.1-mile (0.16 km) stub of Pickney Street, between SC 18 and SC 215. It serves as a turn-off onto SC 18, from SC 215, without taking the right turn at the intersection immediately afterwards; as a hidden designation, signage only identifies it as SC 18 north (no south).[9]

Union connector route 2


SC Highway 18 Connector
Location: Union, South Carolina
Length: 0.4 mi[10] (0.6 km)

South Carolina Highway 18 Connector (SC 18 Conn) is a 0.4-mile (0.64 km) hidden designation between SC 18 and US 176/SC 215, via Harwood Heights. It serves as a direct route to Buffalo from downtown Union.[9]

Gaffney connector route


SC Highway 18 Connector
Location: Gaffney, South Carolina
Length: 1.3 mi[11] (2.1 km)

South Carolina Highway 18 Connector (SC 18 Conn) is the hidden designation of Logan Street, between SC 18 and SC 11. However, this route is signed as mainline SC 18 throughout, despite county and state maps indicating its official routing is along Limestone Street.[12]

References

  1. 1 2 Google (August 16, 2015). "South Carolina Highway 18" (Map). Google Maps. Google. Retrieved August 16, 2015.
  2. ↑ General Highway Map, Cherokee County, South Carolina (PDF) (Map). Cartography by SCDOT. South Carolina Department of Transportation. 1940. Retrieved August 17, 2015.
  3. ↑ General Highway Map, Spartanburg County, South Carolina (PDF) (Map). Cartography by SCDOT. South Carolina Department of Transportation. 1957. Retrieved August 17, 2015.
  4. ↑ General Highway Map, Cherokee County, South Carolina (PDF) (Map). Cartography by SCDOT. South Carolina Department of Transportation. 1963. Retrieved August 17, 2015.
  5. ↑ General Highway Map, Union County, South Carolina (PDF) (Map). Cartography by SCDOT. South Carolina Department of Transportation. 1963. Retrieved August 17, 2015.
  6. ↑ General Highway Map, Union County, South Carolina (PDF) (Map). Cartography by SCDOT. South Carolina Department of Transportation. 1994. Retrieved August 17, 2015.
  7. ↑ Google (August 16, 2015). "South Carolina Highway 18 Truck (Union, South Carolina)" (Map). Google Maps. Google. Retrieved August 16, 2015.
  8. ↑ Google (August 22, 2015). "South Carolina Highway 18 Connector 1 (Union, South Carolina)" (Map). Google Maps. Google. Retrieved August 22, 2015.
  9. 1 2 General Highway System, City of Union, Union County (PDF) (Map). South Carolina Department of Transportation. October 2010. Retrieved August 22, 2015.
  10. ↑ Google (August 22, 2015). "South Carolina Highway 18 Connector 2 (Union, South Carolina)" (Map). Google Maps. Google. Retrieved August 22, 2015.
  11. ↑ Google (August 22, 2015). "South Carolina Highway 18 Connector (Gaffney, South Carolina)" (Map). Google Maps. Google. Retrieved August 22, 2015.
  12. ↑ General Highway System, Town of Gaffney, Cherokee County (PDF) (Map). South Carolina Department of Transportation. July 2009. Retrieved August 22, 2015.
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