U.S. Route 521 in South Carolina
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U.S. Route 521 in South Carolina

U.S. Route 521 marker

U.S. Route 521
US 521 highlighted in red
Route information
Auxiliary route of US 21
Length177.3 mi[1] (285.3 km)
Major junctions
South end in Georgetown, SC
North end in Charlotte, NC
StatesSouth Carolina, North Carolina
CountiesSC: Georgetown, Williamsburg, Clarendon, Sumter, Kershaw, Lancaster
NC: Mecklenburg
Highway system

SC ->
NC ->

U.S. Route 521 (US 521) is a north–south United States highway that traverses 177.3 miles (285.3 km), from Georgetown, South Carolina to Charlotte, North Carolina. Though numbered as a daughter route of U.S. Route 21, it does not actually intersect its parent or any of its sibling routes, though it is in the same general part of the U.S. as other routes from its family. Historically, it once connected to U.S. 21 in Pineville, North Carolina, but various changes have left it terminating a few miles short of the current U.S. 21.

Route description

South Carolina

Starting at the city of Georgetown, US 521 runs through the town Andrews to Greeleyville. From here to the city of Manning it is known as the Greeleyville Highway. There is a brief section right before Manning where it runs concurrent with SC 261. In Manning SC 261 branches off and US 521 merges with US 301 for a short distance. It crosses of I-95 and heads to the city of Sumter. In Sumter, it runs together with US Business 378. Leaving Sumter, US 521 is known as Camden Highway. It passes under I-20 and proceeds to Camden. It then goes on to the town of Kershaw, running concurrent with US 601. The final city it goes through before going into North Carolina is Lancaster.

North Carolina

US 521 traverses 3.8 miles (6.1 km) from the South Carolina state line to Interstate 485. The entire route is a four to six-lane divided highway, split in naming between Lancaster Highway and Johnston Road.


Established in 1932, it was overlapped entirely with SC 26, from Georgetown to the North Carolina state line, where it continued with NC 26 into Pineville, where it ended at U.S. Route 21/NC 261 (now NC 51). In 1933, SC 26 was decommissioned; followed in 1934 with the decommissioning of NC 26.

In 1949, US 521 was rerouted in Williamsburg County to run directly from Andrews, through Salters and Greeleyville, to Manning; which replaced SC 171 and part of SC 261, the old alignment became part of SC 377 and SC 261. Between 1962-64, US 521 was rerouted at the Sumter-Kershaw county line to Camden; the old alignment became an extension of SC 261.

In 1969, US 521 was extended 19 miles (31 km) north, via South Boulevard, and Wilkinson Blvd, then in 1981, by way of Woodlawn Road, and Billy Graham Parkway, to Interstate 85 in Charlotte.

Between 1986-88, US 521 was moved west onto new highway west of Dalzell, bypassing the town; the old alignment was downgraded to secondary roads.

In 1996, US 521 was rerouted onto Interstate 485, between exits 61 and 65; the old alignment was downgraded to secondary roads. In 2003, AASHTO approved US 521 to be truncated at its current northern terminus at the Johnston Road/Interstate 485 interchange; its old alignment north to Interstate 85 was downgraded to secondary roads.[2][3][4]


There are plans to make US 521 a four-lane highway from Georgetown to Interstate 95, in Manning. This would improve a route for beach goers traveling toward the Litchfield/Pawleys area.

Junction list

South CarolinaGeorgetownGeorgetown0.00.0 (Fraser Street) - Charleston, Myrtle BeachSouthern terminus of US 521
(Exchange Street) - Pawleys Island, Myrtle Beach
North end of US 17 Alt. overlap
(Saints Delight Road) - Jamestown, Moncks Corner
South end of US 17 Alt. overlap
 - Andrews
To  - Andrews
19.531.4 (County Line Road) - Jamestown, CharlestonSouth end of SC 41 overlap
/ (County Line Road) - Hemingway
North end of SC 41 overlap
38.061.2 (Martin Luther King Jr. Avenue) - Lane, Kingstree
45.573.2 (Williamsburg County Highway) - Charleston, Kingstree
Greeleyville48.578.1 south (Gourdin Road) - St. Stephen, Charleston
Clarendon60.597.4 east (Kingstree Highway) - KingstreeEast end of SC 261 overlap
Manning63.5102.2 west (Boyce Street)West end of SC 261 overlap
64.0103.0 south (Brooks Street)South end of US 301 overlap
65.5105.4 north - TurbevilleNorth end of US 301 overlap
67.0107.8 - Florence, Savannah
To (Guignard Parkway)
80.5129.6 south (Pocalla Road)South end of US 15 overlap
82.3132.4 (Liberty Street) /
82.6132.9 north (Lafayette Street) / north (Calhoun Street)North end of US 15 and US 401 overlap
north (Washington Street) / north (Calhoun Street)
East end of US 76 Bus. overlap, south end and terminus of US 401 overlap
south / south (Bultman Drive)
/ /  - Columbia, Turbeville
West end of US 76 Bus. overlap
Dalzell93.5150.5 (Peach Orchard Road) - Bishopville, Shaw Air Force Base
Kershaw107.0172.2 (Boykin Road)
Camden110.0177.0 - Columbia, Florence
111.0178.6 / / (Dekalb Street) - Columbia, Cheraw, BishopvilleSouth end of US 601 overlap
113.0181.9 north (Liberty Hill Road) - Great Falls
LancasterKershaw133.0214.0 south (Marion Street) - Bethune
133.3214.5 north (Hilton Street) - PagelandNorth end of US 601 overlap
Heath Springs139.0223.7 south (Caston Street) - Liberty Hill
Pleasant Hill142.0228.5 north (Rocky River Road)
north (Kershaw Camden Highway)
149.0239.8 (Flat Creek Road) - Lancaster, McBee, Hartsville, Myrtle BeachInterchange
south (Pageland Highway) / north (Arch Street) - Pageland, Lancaster
Interchange; south end of SC 9 overlap
152.0244.6 (Monroe Road) - Lancaster, MonroeInterchange
south (Main Street)
north - Chester
Interchange; north end of SC 9 overlap
159.0255.9 north (Rock Hill Highway) - Rock Hill
161.5259.9 south (Rebound Road)South end of SC 75 overlap
165.0265.5 north (Waxhaw Highway) - WaxhawNorth end of SC 75 overlap
Indian Land172.0276.8 north (Fort Mill Highway) - Fort Mill
South Carolina-North Carolina state line
North CarolinaMecklenburgCharlotte1.01.6Lancaster Highway - Pineville
3.86.1 - Matthews, PinevilleNorthern terminus of US 521
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Special routes


  1. ^ a b Google (January 31, 2011). "US 521" (Map). Google Maps. Google. Retrieved 2011.
  2. ^ "US 521 Route Change (2003-09-15)" (PDF). North Carolina Department of Transportation. September 15, 2003. Retrieved 2013.
  3. ^ "Mapmikey's South Carolina Highways Page: US 521". Retrieved 2012.
  4. ^ "NCRoads.com: U.S. 521". Retrieved 2012.

External links

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  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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