Special routes of U.S. Route 521#Lancaster business loop
{{short description|none}}
{{Use American English|date=May 2025}}
{{Use mdy dates|date=January 2025}}
{{Infobox road list
|country=USA
|type=US
|route=521
|list_type=Special routes
}}
Four special routes of U.S. Route 521 exist, and two others have existed in the past. In order from south to north they are as follows.
Existing routes
=Andrews business loop=
{{Infobox road small
|state=SC
|type=US-Bus
|route=521
|location=Andrews, South Carolina
|formed=
|length_mi=3.420
|length_round=3
|length_ref={{cite web |url=https://ris.scdot.org/LogMileReport.aspx?county=22&type=2&number=521&auxiliary=7&map=y |title=Highway Logmile Report |publisher=South Carolina Department of Transportation |access-date=December 12, 2020 }}
}}
U.S. Route 521 Business (US 521 Bus.) is a {{convert|3.420|mi|km}} business route of US 521 that travels through downtown Andrews, via Main Street.{{google maps |url=https://maps.google.com/maps?f=d&source=s_d&saddr=US-521+N%2FGeorgetown+Hwy&daddr=W+Main+St&hl=en&geocode=FXck_gEdBndC-w%3BFRCG_gEd_sRB-w&mra=me&mrcr=0&mrsp=1,0&sz=16&sll=33.455559,-79.573781&sspn=0.013373,0.027874&ie=UTF8&ll=33.447342,-79.553032&spn=0.053498,0.111494&z=14 |title=Overview map of US 521 Bus. (Andrews, South Carolina) |access-date=February 2, 2011 }} It follows the old US 521 mainline route.{{citation needed|date=December 2020}}
{{jcttop|state=SC|length_ref=|county=Georgetown}}
{{SCint
|location=none
|mile=0.000
|road={{Jct|state=SC|US|521|name1=Georgetown Highway|city1=Manning}}
|notes=Southern terminus; flyover interchange
}}
{{SCint
|location=Andrews
|lspan=2
|mile=2.410
|road={{Jct|state=SC|SC-Bus|41|dab1=Andrews|name1=Morgan Avenue|city1=Jamestown|city2=Hemingway}}
}}
{{SCint
|mile=3.420
|road={{jct|state=SC|US|521|dir1=south|SC|41|dir2=south|name2=County Line Road|city1=Charleston|city2=Georgetown}}
{{Jct|state=SC|US|521|dir1=north|city1=Kingstree|city2=Manning}}
{{jct|state=SC|SC|41|dir1=north|name1=County Line Road|city1=Hemingway|location2=Andrews High School}}
|notes=Northern terminus
}}
{{jctbtm}}
{{Clear}}
=Camden truck route 1=
{{Mileposts}}
{{Infobox road small
|state=SC
|type=US-Truck
|route=521
|location=Camden, South Carolina
|formed=
|length_mi=6.9
|length_round=1
}}
U.S. Route 521 Truck (US 521 Truck) is a truck route of US 521 to direct truck traffic to avoid downtown Camden. The highway takes various roads including: Ehrenclou Drive, Chestnut Ferry Road, Jefferson Davis Highway (in concurrency with US 1/US 601/SC 34), Springdale Drive, and Boykin Road (in concurrency with US 601 Truck). Nearly the entire length of the truck route is within the city limits of Camden.
{{jcttop|state=SC|length_ref=|county=Kershaw|location=Camden}}
{{SCint
|mile=0.0
|road={{Jct|state=SC|US-Truck|1|dab1=Camden|dir1=north|US|521|name2=South Broad Street|to3=y|I|20}}
|notes=Southern terminus of US 1 Truck and US 521 Truck
}}
{{SCint
|type=concur
|mile=
|road={{jct|state=SC|US|1|dir1=north|US|601|dir2=north|name2=West DeKalb Street / SC 34 east}}
|notes=Southern end of US 1/US 601/SC 34 concurrency
}}
{{SCint
|mile=
|road=Senator Donald H. Don Holland Memorial Bridge
|notes=Crossing over railroad tracks of CSX
}}
{{SCint
|type=concur
|mile=
|road={{Jct|state=SC|US|1|dir1=south|US|601|dir2=south|name2=West DeKalb Street / SC 34|US-Truck|601|dab3=Camden|dir3=begins}}
|notes=Northern end of US 1/US 601/SC 34 concurrency; southern end of US 601 Truck concurrency; southern terminus of US 601 Truck
}}
{{SCint
|mile=
|road={{Jct|state=SC|SC|97|name1=Liberty Hill Road}}
}}
{{SCint
|type=concur
|mile=
|road={{Jct|state=SC|US|521|US|601|name2=Kershaw Road}}
|notes=Northern end of US 601 Truck concurrency; northern terminus of US 521 Truck and US 601 Truck
}}
{{jctbtm|keys=concur}}
{{Clear}}
=Camden truck route 2=
{{infobox road small
|state=SC
|type=US-Truck
|route=521
|location=Camden, South Carolina
|length_mi=0.830
|length_ref={{cite web |url=https://ris.scdot.org/LogMileReport.aspx?county=28&type=7&number=45&auxiliary=0&map=y |title=Highway Logmile Report |publisher=South Carolina Department of Transportation |access-date=December 13, 2020 }}{{cite web |url=https://ris.scdot.org/LogMileReport.aspx?county=28&type=7&number=79&auxiliary=0&map=y |title=Highway Logmile Report |publisher=South Carolina Department of Transportation |access-date=December 13, 2020 }}
}}
U.S. Route 521 Truck (US 521 Truck) is a {{convert|0.830|mi|km|adj=on}} truck route of US 521 that exists entirely within the southern part of Camden. It uses York Street and Mill Street to connect US 521 (Broad Street) with US 1/SC 34 (East Dekalb Street). It is entirely concurrent with SC 34 Truck. The southbound lanes are also part of US 1 Truck, with no indication of US 1 Truck or SC 34 Truck; the northbound lanes have no indication of US 521 Truck.{{Google maps |url=https://www.google.com/maps/dir/34.2412214,-80.6065543/34.2468962,-80.5989176/@34.2440775,-80.6068452,16z/am=t/data=!3m1!4b1!4m2!4m1!3e0 |title=Overview map of US 1 Truck (Camden, South Carolina) |link=no |access-date=December 14, 2020 }}
{{Clear}}
=Kershaw business loop=
{{Infobox road small
|state=SC
|type=US-Bus
|route=521
|location=Kershaw, South Carolina
|formed=
|length_mi=1.500
|length_round=3
}}
U.S. Route 521 Business (US 521 Bus.) is a {{convert|1.500|mi|km|adj=on}} business route of US 521 that exists in Kershaw. It travels through downtown, via Hampton Street. It also has a concurrency with US 601 Bus.{{google maps |url=https://maps.google.com/maps?saddr=Matson+St&daddr=34.551255,-80.58357+to:Unknown+road&hl=en&ll=34.550998,-80.576906&spn=0.029585,0.055747&sll=34.561372,-80.585264&sspn=0.00736,0.013937&geocode=FZgQDwIdcWky-w%3BFdc1DwIdbmQy-yndbi7aqMNViDFznWyiGYB_dA%3BFepeDwIdFFUy-w&vpsrc=6&mra=me&mrsp=1,0&sz=17&t=p&z=15&via=1 |title=Overview map of US 521 Bus. (Kershaw) |link=no |access-date=January 15, 2012 }} It follows the former path of US 521.{{citation needed|date=December 2020}}
{{jcttop|state=SC|length_ref=|county=Lancaster}}
{{SCint
|location=Kershaw
|lspan=3
|type=concur
|mile=0.000
|road={{Jct|state=SC|US|521|US|601|name2=Hampton Street|location1=Carolina Motorsports Park }}
|notes=Southern end of US 601 Bus. concurrency; southern terminus of US 521 Bus. and US 601 Bus.
}}
{{SCint
|mile=0.480
|road={{Jct|state=SC|SC|341|dir1=south|name1=Marion Street|city1=Bethune}}
|notes=Northern terminus of SC 341
}}
{{SCint
|type=concur
|mile=0.760
|road={{jct|state=SC|road|Hilton Street|name1=US 521 Truck south / US 601 / SC 157 Truck / SC 341 Truck|city1=Jefferson|city2=Pageland}}
|notes=Northern end of US 601 Bus. concurrency; northern terminus of US 521 Truck and US 601 Bus.
}}
{{SCint
|location=none
|mile=1.500
|road={{Jct|state=SC|US|521|city1=Sumter}}
|notes=Northern terminus
}}
{{jctbtm|keys=concur}}
{{Clear}}
=Kershaw truck route=
{{infobox road small
|state=SC
|type=US-Truck
|route=521
|location=Kershaw, South Carolina
|length_mi=0.140
}}
U.S. Route 521 Truck (US 521 Truck) is a truck route of US 521 that exists entirely within the northern part of the town of Kershaw. It connects US 521 (North Matson Street) with US 521 Business (US 521 Bus.) and US 601 Bus. (North Hampton Street). It is completely concurrent with US 601, South Carolina Highway 157 Truck (SC 157 Truck), and SC 341 Truck. It is known as Hilton Street. There is no signs on US 521 or US 521 Bus./US 601 Bus. There is one sign just south of its northern terminus.{{Google maps |url=https://www.google.com/maps/dir/34.5511755,-80.5862019/34.5517996,-80.5838194/@34.5515022,-80.5871314,17z/am=t/data=!3m1!4b1!4m2!4m1!3e0 |title=Overview map of US 521 Truck |access-date=December 12, 2020 }}
{{Clear}}
=Kershaw connector route=
{{infobox road small
|state=SC
|type=US-Conn
|route=521
|location=Kershaw, South Carolina
|length_mi=0.060
}}
U.S. Route 521 Connector (US 521 Conn.) is a {{convert|0.060|mi|km|adj=on}} connector route of US 521 that serves to connect US 521 Business (US 521 Bus.) with US 521 (North Matson Street / Kershaw–Camden Highway) north of Kershaw.{{Google maps |url=https://www.google.com/maps/dir/34.5607796,-80.5871261/34.5611069,-80.5879834/@34.5609476,-80.5896853,17z/am=t/data=!3m1!4b1!4m2!4m1!3e0 |title=Overview map of US 521 Conn. (Kershaw, South Carolina) |access-date=December 12, 2020 }} It is unnamed and is an unsigned highway.{{cite map |url=http://info2.scdot.org//GISMapping/GISMapdl/KERSHAW_2017.pdf |title=General Highway System – Town of Kershaw |publisher=South Carolina Department of Transportation |date=May 2017 |access-date=December 12, 2020 }}
{{Clear}}
=Lancaster business loop=
{{Infobox road small
|state=SC
|type=US-Bus
|route=521
|location=Lancaster, South Carolina
|formed=1965{{citation needed|date=December 2020}}
|length_mi=3.870
|length_round=3
}}
U.S. Route 521 Business (US 521 Bus.) is a {{convert|3.870|mi|km|adj=on}} business route of US 521 that travels through downtown Lancaster, via Market Street and Main Street.{{google maps |url=https://maps.google.com/maps?f=d&source=s_d&saddr=US-521+N%2FKershaw+Camden+Hwy&daddr=34.7088259,-80.7642961+to:34.7185482,-80.7698236+to:N+Main+St&hl=en&geocode=FfBbEQIdlPov-w%3BFVmdEQIdeKIv-yk9DcBAdddViDFbyVzTPtRm1g%3BFVTDEQId4Ywv-ylxsZbzptdViDE3IlTEPHvHww%3BFZAGEgIdhm0v-w&mra=dme&mrcr=0&mrsp=3&sz=15&via=1,2&sll=34.729445,-80.765734&sspn=0.026347,0.055747&ie=UTF8&ll=34.715371,-80.7514&spn=0.105405,0.222988&z=13 |title=Overview map of US 521 Bus. (Lancaster, South Carolina) |link=no |access-date=February 2, 2011 }} It follows the old US 521 mainline route.{{citation needed|date=December 2020}} At some point, it was relocated to Market Street until the intersection with Barr Street, where it turned left and then right onto Main Street.[http://info.scdot.org/sites/GIS/GISMapdl/Lancaster_City.pdf General Highway Map of the Lancaster Metro Area]
{{jcttop|state=SC|length_ref=|county=Lancaster|location=Lancaster}}
{{SCint
|type=concur
|mile=0.000
|road={{Jct|state=SC|US|521|name1=Kershaw-Camden Highway/Lancaster Bypass|city1=Heath Springs|city2=Kershaw}}
|notes=Southern terminus
}}
{{SCint
|mile=1.440
|road=Camden–Kershaw Highway north
|notes=Southern terminus of Camden–Kershaw Highway; former US 521 Bus. north
}}
{{SCint
|type=concur
|mile=1.660
|road={{Jct|state=SC|SC|200|dir1=west|name1=Great Falls Highway|city1=Great Falls}}
|notes=Southern end of SC 200 concurrency
}}
{{SCint
|mile=2.270
|road={{Jct|state=SC|SC|903|dir1=south|name1=Chesterfield Avenue|city1=McBee}}
|notes=Northern terminus of SC 903
}}
{{SCint
|type=concur
|mile=2.380
|road={{Jct|state=SC|SC-Bus|9|dab1=Lancaster|dir1=south|name1=East Arch Street|city1=Pageland}}
|notes=Southern end of SC 9 Bus. concurrency
}}
{{SCint
|type=concur
|mile=2.650
|road={{Jct|state=SC|SC-Bus|9|dab1=Lancaster|dir1=north|name1=East Meeting Street|city1=Chester|location2=Charlotte}}
|notes=Northern end of SC 9 Bus. concurrency
}}
{{SCint
|mile=2.900
|road={{jct|state=SC|road|West Barr Street|dir1=west|road|North Main Street|dir2=south}}
|notes=Former US 521 Bus. south; US 521 Bus./SC 200 turns right.
}}
{{SCint
|type=concur
|mile=3.680
|road={{Jct|state=SC|SC|200|dir1=east|name1=Liberty Hill Road|to2=to|US|521|dir2=south|city1=Pageland|location2=Monroe}}
|notes=Northern end of SC 200 concurrency
}}
{{SCint
|mile=3.870
|road={{Jct|state=SC|US|521|dir1=north|SC|9|name2=Lancaster Bypass|city1=Chester|city2=Rock Hill|location3=Charlotte|city4=Chesterfield|city5=Chester|city6=Myrtle Beach|location7=Andrew Jackson State Park}}
|notes=Northern terminus; interchange
}}
{{jctbtm|keys=concur}}
{{Clear}}
Former special routes
=Sumter connector=
{{One source section|date=December 2020}}
{{Infobox road small
|state=SC
|type=US-Conn
|route=521
|location=Sumter, South Carolina
|formed=
|deleted=
|header_type=former
|length_mi=4.7
|length_round=1
}}
U.S. Route 521 Connector (US 521) was a {{convert|4.7|mi|km}} connector route that went east around Sumter along Guignard Drive, connecting to US 15, in the southern end of Sumter. This connector became part of the main route sometime before 2009.{{citation needed|date=December 2020}}
{{Clear}}
=Lancaster Bypass=
{{Unreferenced section|date=December 2020}}
{{Infobox road small
|state=SC
|type=US-Byp
|route=521
|location=Lancaster, South Carolina
|formed=
|deleted=
|header_type=former
|length_mi=
|length_round=1
|length_ref=
}}
U.S. Route 521 Bypass (US 521 Byp.) was the bypass around downtown Lancaster, until the mainline was realigned in 1965, and the former route was converted into US 521 Business (US 521 Bus.).
{{clear}}