List of U.S. Highways in South Carolina

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U.S. Highways of South Carolina
U.S. Route 76 marker
Highway marker for U.S. Highway 76
System information
Maintained by SCDOT
Formed: November 11, 1926 (1926-11-11)[1]
Highway names
US Routes: U.S. Highway nn (US nn)
System links

There are 23 U.S. Highways that exist entirely or partially in the U.S. state of South Carolina. In South Carolina, all U.S. Highways are maintained by the South Carolina Department of Transportation (SCDOT).


U.S. Highways[edit]

Route Southern or western terminus Northern or eastern terminus mi km Established Deleted Description
001 US 1 Georgia state line at North Augusta North Carolina state line near Wallace 170.1 273.7 1926 Travels north-south along the sandhills region; connecting the cities of North Augusta, Aiken, Columbia, and Camden. South of Camden, it parallels with I-20.
015 US 15 Walterboro North Carolina state line at McColl 158.6 255.2 1935 Travels north-south, connecting the cities of Walterboro, Sumter, and Bennettsville.
017 US 17 Georgia state line near Limehouse North Carolina state line near Little River 221.0 355.7 1927 Travels north-south along the coastal plain area, connecting the cities of Hardeeville, Charleston, Georgetown, and Myrtle Beach.
021 US 21 Hunting Island State Park North Carolina state line near Little River 232.2 373.7 1926 Travels north-south, connecting the cities of Beaufort, Orangeburg, Columbia, and Rock Hill. North of Columbia, it parallels with I-77.
025 US 25 Georgia state line in North Augusta North Carolina state line near Travelers Rest 140.3 225.8 1926 Travels north-south in the western part of the state, connecting the cities of North Augusta, Greenwood, and Greenville.
029 US 29 Georgia state line near Holland Store North Carolina state line at Blacksburg 109.1 175.6 1927 Travels north-south in the Upstate area, parallel to I-85. It connects the cities of Anderson, Greenville, and Spartanburg.
052 US 52 Charleston North Carolina state line near Cheraw 161.0 259.1 1980s Travels north-south, connecting the cities of Charleston, Lake City, Florence, and Darlington.
076 US 76 Georgia state line near Westminster North Carolina state line near Nichols 297.9 479.4 1926 Longest US Highway in the state, going east-west; it connects the cities Anderson, Columbia, Sumter, and Florence.
078 US 78 Georgia state line near North Augusta Charleston 141.0 226.9 1926 Travels east-west, connecting the cities of North Augusta, Aiken, Bamberg, and Charleston.
117 US 117 Conway North Carolina state line near Little River 45.0 72.4 1932 1935 Replaced by US 501 and US 17.
123 US 123 Georgia state line near Westminster Greenville 57.4 92.4 1968 Travels north-south in the Upstate area, connecting the cities of Westminster and Greenville.
176 US 176 North Carolina state line near Landrum Goose Creek 218.7 352.0 1926 Travels east-west, parallel to I-26. It connects the cities of Spartanburg, Union, and Columbia.
178 US 178 Ridgeville North Carolina state line near Rocky Bottom 232.7 374.5 1932 Travels east-west, connecting the cities of Anderson, Greenwood, and Orangeburg.
217 US 217 Pee Dee North Carolina state line near Dillon 24.4 39.3 1927 1932 Replaced by US 301.
221 US 221 Georgia state line near Clarks Hill North Carolina state line at Chesnee 125.9 202.6 1932 Travels north-south within the Piedmont area, connecting the cities of Greenwood and Spartanburg.
276 US 276 North Carolina state line near Cleveland Mauldin 34.2 55.0 1932 Shortest US Highway in the state, going east-west; it goes through the city of Greenville.
278 US 278 Georgia state line near North Augusta Hilton Head Island 146.0 235.0 1965 Travels east-west, connecting the cities of North Augusta and Hilton Head Island.
301 US 301 Georgia state line near Allendale North Carolina state line near Dillon 190.3 306.3 1932 Travels north-south, loosely parallel to I-95. It connects the cities of Orangeburg, Florence, and Dillon.
321 US 321 Hardeeville North Carolina state line near Clover 227.4 366.0 1930 Travels north-south, connecting the cities of Hardeeville, Columbia, and York.
378 US 378 Georgia state line near McCormick Conway 210.9 339.4 1952 Travels east-west, connecting the cities of Columbia, Sumter, and Conway.
401 US 401 Sumter North Carolina state line near McColl 77.2 124.2 1957 Travels north-south, connecting the cities of Sumter, Darlington, and Bennettsville.
501 US 501 Myrtle Beach North Carolina state line near Dillon 74.0 119.1 1935 Travels north-south through the Grand Strand area, connecting the cities of Myrtle Beach, Conway, and Dillon.
521 US 521 Georgetown North Carolina state line at Indian Land 173.5 279.2 1932 Travels north-south, connecting the cities of Georgetown, Sumter, Camden, and Lexington.
601 US 601 Tarboro North Carolina state line at Pageland 181.4 291.9 1927 Travels north-south,connecting the cities of Bamberg, Orangeburg, Camden, and Pageland.
701 US 701 Georgetown North Carolina state line near Loris 61.5 99.0 1932 Travels north-south through the Grand Strand area, connecting the cities of Georgetown and Conway.

Alternate routes[edit]

Route Southern or western terminus Northern or eastern terminus mi km Established Deleted Description
015A1Alternate plate.svg
US 15 ALT
Walterboro North Carolina state line near McColl 0 0.0 1937 1946 The entire route was in concurrency with US 15 in South Carolina.
015A2Alternate plate.svg
US 15 ALT
Sumter Society Hill 0 0.0 1955 1957 Replaced by US 401.
017A1Alt plate.svg
US 17 ALT
Georgia state line near Savannah, Georgia Limehouse 6.7 10.8 1955 1994 Provided an alternate route from Savannah, via the Talmadge Memorial Bridge. Was reassigned as mainline US 17.
017A2Alt plate.svg
US 17 ALT
Pocotaligo Georgetown 123.4 198.6 1952 Travels north-south,connecting the cities of Walterboro, Summerville, Moncks Corner and Georgetown.
029A1Alternate plate.svg
US 29 ALT
Greenville 0 0.0 1938 1948 Was an alternate route through downtown Greenville, was downgraded to secondary roads.
029A2Alternate plate.svg
US 29 ALT
Spartanburg Blacksburg 0 0.0 1955 1962 Was a rebanner of mainline US 29 between Spartanburg and Blacksburg; after I-85 was established, it was reverted back to US 29.
123B1Alternate plate.svg
US 123 ALT
Greenville 0 0.0 1950 1972 Replaced by SC 124.
176A1Alternate plate.svg
US 176 ALT
Spartanburg 0 0.0 1938 1948 Traversed in downtown Spartanburg, along Magnolia and Howard streets. Some map inserts of the time list it as "Optional US 176;" was downgraded to secondary roads.
221A1Alt plate.svg
US 221 ALT
Chesnee North Carolina state line near Cowpens National Battlefield 5.3 8.5 1941 Provides an alternate route from Chesnee to Forest City, NC.

Business loops[edit]

Route Southern or western terminus Northern or eastern terminus mi km Established Deleted Description
015B1Business plate.svg
US 15 BUS
Hartsville 6.6 10.6 1969 Routed along Fifth Street.
015B2Business plate.svg
US 15 BUS
Bennettsville 0 0.0 1952 1990 Was routed along Main Street and Tyson Avenue, in concurrency with US 401 Bus. It was replaced by SC 385.
017B1Business plate.svg
US 17 BUS
Mount Pleasant 4.2 6.8 1967 1992 Was routed along Coleman Boulevard and Georgetown Highway (Chuck Dawley Boulevard) in concurrency with US 701 Bus. It was replaced by SC 703 and BS 526.
017B2Business plate.svg
US 17 BUS
Murrells Inlet Myrtle Beach 22.8 36.7 1967 Connects the downtown areas of Murrells Inlet, Garden City, Surfside Beach and Myrtle Beach.
021B1Business plate.svg
US 21 BUS
Beaufort 3.2 5.1 1967 Routed along Sea Island Parkway, Carteret Street and Boundary Street.
021B2Business plate.svg
US 21 BUS
Orangeburg 3.3 5.3 1950 1967 Was routed along Broughton Street (in concurrency with US 178 BUS) and Columbia Road.
021B3Business plate.svg
US 21 BUS
Orangeburg 2.9 4.7 1967 Routed along Rowesville Road, Charleston Highway and Magnolia Street.
021B4Business plate.svg
US 21 BUS
Rock Hill 6.7 10.8 1950 2013 Was routed along Main Street, Albright Road, Black Street, Oakland Avenue, and Cherry Road, through downtown Rock Hill. It was decommissioned at the request of Rock Hill to gain ownership and maintenance oversight.[2][3]
021B5Business plate.svg
US 21 BUS
Fort Mill 6.1 9.8 1948 It is routed along Spratt Street, White Street, Old Nations Road, and Springfield Parkway, through downtown Fort Mill.
025B1Business plate.svg
US 25 BUS
Georgia state line in North Augusta 2.8 4.5 1961 Only business loop that crosses the Georgia-South Carolina state line.
025B2Business plate.svg
US 25 BUS
Greenwood 2.8 4.5 1969 Notes.
025B3Business plate.svg
US 25 BUS
Ware Shoals 4.5 7.2 1963 Notes.
025B4Business plate.svg
US 25 BUS
Greenville 0 0.0 1969 1995 Former business loop through downtown Greenville; replaced in parts by US 123, US 276, SC 20 and SC 291.
029B1Business plate.svg
US 29 BUS
Anderson 6.4 10.3 1947 Notes.
029B2Business plate.svg
US 29 BUS
Greenville 0 0.0 1958 1962 Notes.
052B1Business plate.svg
US 52 BUS
Darlington 4.0 6.4 1974 Notes.
076B1Business plate.svg
US 76 BUS
Seneca 0 0.0 1958 2000 Notes.
076B2Business plate.svg
US 76 BUS
Laurens 3.8 6.1 1982 Notes.
076B3Business plate.svg
US 76 BUS
Newberry 0 0.0 1952 2001 Notes.
076B4Business plate.svg
US 76 BUS
Sumter 5.9 9.5 1959 Notes.
078B1Business plate.svg
US 78 BUS
Blackville 0.7 1.1 1981 Notes.
123B1Business plate.svg
US 123 BUS
Seneca 0 0.0 1958 2000 Was routed along North First Street.
123B1Business plate.svg
US 123 BUS
Easley 0 0.0 1958 1964 Was routed along Main Street and Liberty Drive. It was replaced by SC 93.
176B1Business plate.svg
US 176 BUS
Union 0 0.0 1958 1990 Was routed along Pinckney Street and Thompson Boulevard. It was replaced by SC 18.
178B1Business plate.svg
US 178 BUS
Greenwood 3.9 6.3 1949 Notes.
178B2Business plate.svg
US 178 BUS
Orangeburg 4.9 7.9 1970 Notes.
276B1Business plate.svg
US 276 BUS
Greenville 0 0.0 1948 1970 Notes.
278B1Business plate.svg
US 278 BUS
Hilton Head 8.8 14.2 1998 Notes.
321B1Business plate.svg
US 321 BUS
Winnsboro 4.3 6.9 1952 Notes.
321B2Business plate.svg
US 321 BUS
Chester 3.0 4.8 1964 Notes.
321B3Business plate.svg
US 321 BUS
Chester 2.6 4.2 1958 Notes.
378B1Business plate.svg
US 378 BUS
Sumter 6.6 10.6 1961 N/A Was routed along Broad Street, Liberty Street and Myrtle Beach Boulevard.
378B2Business plate.svg
US 378 BUS
Lake City 2.6 4.2 1958 Routed along Main Street (with SC 341) and Church Street/Myrtle Beach Highway.
401B1Business plate.svg
US 401 BUS
Bennettsville 0 0.0 1958 1990 Was routed along Main Street and Tyson Avenue, in concurrency with US 15 Bus. It was replaced by SC 385.
501B1Business plate.svg
US 501 BUS
Conway 4.4 7.1 1964 Notes.
501B2Business plate.svg
US 501 BUS
Marion 6.6 10.6 1964 Notes.
521B1Business plate.svg
US 521 BUS
Kershaw 1.4 2.3 N/A Notes.
521B2Business plate.svg
US 521 BUS
Lancaster 3.8 6.1 1965 Notes.
701B1Business plate.svg
US 701 BUS
Mount Pleasant 4.2 6.8 1967 1992 Was routed along Coleman Boulevard and Georgetown Highway (Chuck Dawley Boulevard) in concurrency with US 17 Bus. It was replaced by SC 703 and BS 526.
701B2Business plate.svg
US 701 BUS
North Carolina state line near Tabor City, North Carolina 0.1 0.2 1960 Only business loop that crosses the North-South Carolina state line.

See also[edit]

References[edit]

  1. ^ United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Cartography by U.S. Geological Survey. Bureau of Public Roads. November 11, 1926. OCLC 32889555. Retrieved November 7, 2013. 
  2. ^ "Binder-all applications May 2013" (PDF). AASHTO. May 2013. p. 301. Retrieved July 7, 2013. 
  3. ^ "Report to SCOH from USRN SM2013 May 3" (PDF). AASHTO. May 3, 2013. p. 8. Retrieved July 7, 2013. 

External links[edit]