Special routes of U.S. Route 21#Columbia connector route
{{Short description|Special routes or bypasses in the U.S.}}
{{Use mdy dates|date=August 2023}}
{{Use American English|date=August 2023}}
{{Infobox road list
|country=USA
|type=US
|route=21
|list_type=Special routes
}}
Several special routes of U.S. Route 21 (US 21) exist. In order from south to north, they are as follows.
Beaufort business loop
{{Infobox road small
|state=SC
|type=US-Bus
|route=21
|location=Beaufort, South Carolina
|length_mi=5.400
|formed=1967
}}
U.S. Highway 21 Business (US 21 Bus.) is a {{convert|5.400|mi|km|adj=on}} business route in Beaufort, South Carolina, that travels along Sea Island Parkway, Carteret Street, and Boundary Street.{{google maps |url=https://maps.google.com/maps?f=d&source=s_d&saddr=U.S.+21+Business&daddr=Boundary+St&hl=en&geocode=FdeY7gEdl18x-w%3BFXwB7wEdqIww-w&mra=me&mrcr=0&mrsp=1,0&sz=17&sll=32.440267,-80.703034&sspn=0.006764,0.013937&ie=UTF8&ll=32.428876,-80.679216&spn=0.054117,0.111494&z=14 |title=Overview map of US 21 Bus. (Beaufort) |access-date=February 2, 2011 }}
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Yemassee alternate route
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{{Infobox road small
|state=SC
|type=US-Alt
|route=21
|header_type=former
|location=Yemassee, South Carolina
}}
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Rowesville alternate route
{{Empty section|date=August 2023}}
{{Infobox road small
|state=SC
|type=US-Alt
|route=21
|header_type=former
|location=Rowesville, South Carolina
}}
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Orangeburg alternate route
{{Empty section|date=August 2023}}
{{Infobox road small
|state=SC
|type=US-Alt
|route=21
|header_type=former
|location=Orangeburg, South Carolina
}}
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Orangeburg business loop 1
{{Infobox road small
|state=SC
|type=US-Bus
|route=21
|location=Orangeburg, South Carolina
|length_mi=3.3
|formed=1950
|deleted=1967
}}
U.S. Highway 21 Business (US 21 Bus.) originally traversed Orangeburg, South Carolina, along Broughton Street (in concurrency with US 178 Bus.), Park Street, and Columbia Road. In 1967, the business loop was decommissioned after the establishment of the second business loop through Orangeburg; the old alignment continues as US 178 Bus. (Broughton Street) and US 21 Conn. (Park and Columbia streets).
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Orangeburg business loop 2
{{Infobox road small
|state=SC
|type=US-Bus
|route=21
|location=Orangeburg, South Carolina
|length_mi=2.730
|formed=1967{{cn|date=December 2020}}
}}
U.S. Highway 21 Business (US 21 Bus.) is a {{convert|2.730|mi|km|adj=on}} business route of US 21 in Orangeburg, South Carolina. It begins at the intersection of US 21 and South Carolina Highway 4 (SC 4) and then traverses along parts of Charleston Highway and Magnolia Street, before ending at Chestnut Street (US 21).{{google maps |url=https://maps.google.com/maps?f=d&source=s_d&saddr=US-21+N%2FRowesville+Rd&daddr=Magnolia+St&hl=en&geocode=Ffq5_gEdslsu-w%3BFZJG_wEdoFMu-w&mra=me&mrcr=0&mrsp=1,0&sz=17&sll=33.506772,-80.847777&sspn=0.006683,0.013937&ie=UTF8&ll=33.493522,-80.849161&spn=0.053469,0.111494&z=14 |title=Overview map of US 21 Bus. (Orangeburg 2) |access-date=December 7, 2020 }}
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Orangeburg bypass route
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{{Infobox road small
|state=SC
|type=US-Byp
|route=21
|header_type=former
|location=Orangeburg, South Carolina
}}
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Orangeburg connector route
{{Infobox road small
|state=SC
|type=US-Conn
|route=21
|location=Orangeburg, South Carolina
|length_mi=1.480
}}
U.S. Highway 21 Connector (US 21 Conn.) is a {{convert|1.480|mi|km|adj=on}} connector route of US 21 in Orangeburg, South Carolina, that is unsigned. It travels from Broughton Street (US 178 Bus.) to Chestnut Street (US 21/US 178), via Park Street and Columbia Road.{{cite map |publisher=South Carolina Department of Transportation |url=http://dbw.scdot.org/GISMapping/pdfs/FunctionalClass/Orangeburg_City_FC.pdf |format=PDF |title=Functional Classification Map for City of Orangeburg |date=July 11, 2012 |access-date=July 8, 2013 }}{{google maps |url=https://maps.google.com/maps?saddr=State+Rd+S-38-244&daddr=Columbia+Rd&hl=en&ll=33.506405,-80.85856&spn=0.030094,0.055747&sll=33.515937,-80.86549&sspn=0.003743,0.006968&geocode=Fcob_wEdnf8t-w%3BFWFq_wEd3RQu-w&mra=me&mrsp=1,0&sz=18&t=p&z=15 |title=Overview map of US 21 Conn. (Orangeburg) |access-date=July 8, 2013 }}
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Orangeburg spur route
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{{Infobox road small
|state=SC
|type=US-Spur
|route=21
|header_type=former
|location=Orangeburg, South Carolina
}}
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West Columbia connector route
{{Infobox road small
|state=SC
|type=US-Conn
|route=21
|location=West Columbia, South Carolina
|length_mi=0.850
}}
U.S. Highway 21 Connector (US 21 Conn.) is a {{convert|0.850|mi|km|adj=on}} connector route of US 21 that exists entirely within the city limits of West Columbia, South Carolina. It connects US 21/US 176/US 321, from where they curve off of Charleston Highway and onto Knox Abbott Drive, with US 1.{{Google maps |url=https://www.google.com/maps/dir/33.9780395,-81.0749456/33.9838784,-81.0734202/33.9868332,-81.0725178/33.989174,-81.0715465/@33.9836704,-81.0820734,15z/am=t/data=!3m1!4b1!4m2!4m1!3e0 |title=Overview map of US 21 Conn. (West Columbia) |link=no |access-date=December 29, 2020 }} It shares the Charleston Highway name with US 21/US 176/US 321 and is an unsigned highway.{{cite map |url=http://info2.scdot.org//GISMapping/GISMapdl/COLUMBIA_Metro_2018.pdf |title=Columbia Urban Area |page=Sheet 19 |section=J12 |date=August 2020 |access-date=December 29, 2020 }}
Major intersections
{{Jcttop|state=SC|county=Lexington|location=West Columbia|length_ref=}}
{{SCint
|mile=0.000
|road={{jct|state=SC|US|21|US|176|US|321|name3=Charleston Highway south / Knox Abbott Drive east}}
|notes=Southern terminus; US 21 Conn. and US 21/US 176/US 321 share the Charleston Highway name.
}}
{{SCint
|mile=0.420
|road={{jct|state=SC|SC|602|dir1=west|name1=D Avenue|road|13th Street|dir2=north|city1=Lexington}}
|notes=Eastern terminus of SC 602; southern terminus of 13th Street.
}}
{{SCint
|mile=0.630
|road={{jct|state=SC|road|12th Street|name1=SC 35}}
}}
{{SCint
|mile=0.850
|type=incomplete
|road={{jct|state=SC|US|1|dir1=north}}
|notes=No access from US 21 Conn. to US 1 south or from US 1 north to US 21 Conn.
}}
{{Jctbtm|keys=incomplete}}
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Columbia connector route
{{Infobox road small
|state=SC
|type=US-Conn
|route=21
|location=Columbia, South Carolina
|length_mi=2.930
}}
U.S. Highway 21 Connector (US 21 Conn.) is a {{convert|2.930|mi|km|adj=mid|-long}} connector route of US 21 that is an unsigned highway. It is located in the west-central part of Richland County and entirely within the city limits of Columbia in the U.S. state of South Carolina. It connects US 21/US 176/US 321 with US 76/US 378. It is concurrent with US 76 Conn. for its entire length.
It begins at an intersection with US 21/US 176/US 321 (Blossom Street/Huger Street). It travels to the east-northeast on Blossom Street. It crosses over some railroad tracks of CSX Transportation. It passes Greek Village, the fraternities and sororities of the University of South Carolina (USC). Right after passing Carolina Coliseum, it intersects SC 48 (Assembly Street). The highway passes the Carolina Community Garden at the Honors Residence Hall. Then, it passes the Thomas Cooper Library and then the Booker T. Washington Auditorium. It curves to the northeast and travels along the northwestern edge of Maxcy Gregg Park. This is southeast of the USC tennis courts at Blossom Street. The connector curves to the east and travels under a railroad bridge that carries railroad tracks of Norfolk Southern Railway. It curves to the southeast. At the intersection with Saluda Avenue, the highway turns left and travels to the northeast. One block later, at Devine Street, it turns right and travels to the east-northeast. At an intersection with Harden Street, it curves to the east-southeast and travels through a retail area before meeting its northern terminus, an intersection with US 76/US 378 (Millwood Avenue/Devine Street).{{cite map |url=http://info.scdot.org/sites/GIS/GISMapdl/Columbia_City.pdf |title=Columbia City |publisher=South Carolina Department of Transportation |access-date=January 25, 2017 }}{{Google maps |url=https://www.google.com/maps/dir/33.9895729,-81.0411474/33.9925412,-81.0316567/33.9974995,-80.9931097/@33.9942473,-81.0344339,14z/am=t/data=!3m1!4b1!4m2!4m1!3e0 |title=Overview map of US 21 Conn. |access-date=January 25, 2017 }}
Major intersections
{{Jcttop|state=SC|county=Richland|location=Columbia|length_ref=}}
{{SCint
|mile=0.000
|type=concur
|road={{jct|state=SC|US|21|US|176|US|321|name3=Blossom Street/Huger Street}}
|notes=Southern terminus; south end of unsigned western segment of US 76 Conn. concurrency
}}
{{SCint
|mile=0.580
|road={{jct|state=SC|SC|48|name1=Assembly Street}}
}}
{{SCint
|mile=2.930
|type=concur
|road={{jct|state=SC|US|76|US|378|name2=Millwood Avenue/Devine Street}}
|notes=Northern terminus; north end of unsigned western segment of US 76 Conn. concurrency
}}
{{SCintbottom|keys=concur}}
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Columbia spur route
{{Empty section|date=August 2023}}
{{Infobox road small
|state=SC
|type=US-Spur
|route=21
|header_type=former
|location=Columbia, South Carolina
}}
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Ridgeway alternate route
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{{Infobox road small
|state=SC
|type=US-Alt
|route=21
|header_type=former
|location=Ridgeway, South Carolina
}}
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Ridgeway connector route
{{Infobox road small
|state=SC
|type=US-Conn
|route=21
|location=Ridgeway, South Carolina
|length_mi=1.660
}}
U.S. Highway 21 Connector (US 21 Conn.) is a connector route that partially travels through the western part of Ridgeway, South Carolina, which is in the southeastern part of Fairfield County. It is known as Coleman Highway and is an unsigned highway.{{cite map |url=http://info2.scdot.org//GISMapping/GISMapdl/COLUMBIA_Metro_2018.pdf |title=Columbia Urban Area |page=Sheet 1 |section=A15 |publisher=South Carolina Department of Transportation |date=August 2020 |access-date=December 7, 2020 }} It begins at an intersection with US 21 just southeast of Ridgeway. It travels to the northwest and enters the town. It then curves to the west-northwest before leaving the city limits. Then, it curves to the west before reaching its northern terminus, an intersection with SC 34.{{Google maps |url=https://www.google.com/maps/dir/34.2974366,-80.9518682/34.3097305,-80.9748265/@34.3039972,-80.9720858,15z/am=t/data=!3m1!4b1!4m2!4m1!3e0 |title=Overview map of US 21 Conn. (Ridgeway) |link=no |access-date=December 7, 2020 }}
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Fort Mill business loop
{{Infobox road small
|state=SC
|type=US-Bus
|route=21
|location=Fort Mill, South Carolina
|length_mi=7.060
|formed=1948{{cn|date=December 2020}}
}}
U.S. Highway 21 Business (US 21 Bus.) traverses through downtown Fort Mill, South Carolina, via Spratt Street, White Street, Old Nation Road, and Springfield Parkway.{{google maps |url=https://maps.google.com/maps?f=d&source=s_d&saddr=Unknown+road&daddr=35.0402778,-80.9285446+to:US-21+BUS+S%2FOld+Nation+Rd&hl=en&geocode=FfDsFQIdFX4s-w%3BFRWsFgId4CAt-ykFfzIbz4RWiDGsX7Qed84qUQ%3BFeAnFwIdXAYt-w&mra=dpe&mrcr=0&mrsp=1&sz=13&via=1&sll=35.03604,-80.887356&sspn=0.104994,0.222988&ie=UTF8&ll=35.033651,-80.940399&spn=0.104997,0.222988&z=13 |title=Overview map of US 21 Bus. (Fort Mill) |link=no |access-date=February 2, 2011 }}
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Rock Hill alternate route
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{{Infobox road small
|state=SC
|type=US-Alt
|route=21
|header_type=former
|location=Rock Hill, South Carolina
}}
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Rock Hill business loop
{{Infobox road small
|state=SC
|type=US-Bus
|route=21
|location=Rock Hill, South Carolina
|length_mi=6.7
|formed=1950
|deleted=2013
}}
U.S. Highway 21 Business (US 21 Bus.) originally traversed along Main Street, Albright Road, Black Street, Oakland Avenue, and Cherry Road, through downtown Rock Hill, South Carolina. It was decommissioned at the request of Rock Hill to gain ownership and maintenance oversight from the state.{{cite web |publisher= AASHTO |url= http://route.transportation.org/Documents/Binder-all%20applications%20May%202013.pdf |format= PDF |page= 301 |title= Binder-all applications May 2013 |date= May 2013 |access-date= July 7, 2013 |url-status= dead |archive-url= https://web.archive.org/web/20131019143543/http://route.transportation.org/Documents/Binder-all%20applications%20May%202013.pdf |archive-date= October 19, 2013 }}{{cite web |publisher= AASHTO |url= http://route.transportation.org/Documents/Report%20to%20SCOH%20from%20USRN%20SM2013%20May%203.pdf |format= PDF |page= 8 |title= Report to SCOH from USRN SM2013 May 3|date= May 3, 2013 |access-date= July 7, 2013}}
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Rock Hill–Fort Mill business route
Jonesville–Elkin business loop
{{Infobox road small
|state=NC
|type=US-Bus
|route=21
|location=Jonesville–Elkin, North Carolina
|length_mi=7.8
|formed=1966
}}
U.S. Highway 21 Business (US 21 Bus.) traverses through downtown Jonesville and Elkin, North Carolina, via Main and Bridge streets. The route was established after the mainline was realigned east along a completed section of Interstate 77 (I-77).
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Sparta truck route
{{Infobox road small
|state=NC
|type=US-Truck
|route=21
|location=Sparta, North Carolina
|length_mi=1.68
|formed=2020
}}
U.S. Highway 21 Truck (US 21 Truck) is an alternate route for trucks to bypass the downtown central business district of Sparta, North Carolina, and allows truck traffic to travel on and off North Carolina Highway 18 (NC 18). The {{convert|1.68|mi|km|adj=on}} route follows along the Sparta Parkway, which bypasses west from mainline US 21, connecting with Grandview Drive and West Whitehead Street (NC 18).{{cite web |publisher= North Carolina Department of Transportation |location=Raleigh, North Carolina |url=https://connect.ncdot.gov/resources/safety/Route%20Changes/2020_06_25.pdf |format=PDF |title=NC Route Change (2020-06-25)|date=June 25, 2020 |access-date=July 22, 2020}}
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Bluefield bypass route
{{Infobox road small
|state=WV
|type=US-Byp
|route=21
|header_type=former
|location=Bluefield, West Virginia
}}
U.S. Route 21 Bypass (US 21 Byp.) originally traveled through downtown Bluefield, West Virginia, utilizing Bluefield and Princeton avenues, but, as US 21 no longer serves north of Wytheville, Virginia, there is not a US 21 bypass. Prior to the Interstate Highway System, US 21 ran from Ohio to Florida. Once I-77 was built, there was no longer a need for US 21, and it made its terminus Wytheville.
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Cuyahoga Heights–Cleveland temporary route
{{Empty section|date=August 2023}}
{{Infobox road small
|state=OH
|type=US-Temp
|route=21
|header_type=former
|location=Cuyahoga Heights–Cleveland, Ohio
}}
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See also
- {{Portal-inline|Ohio}}
- {{Portal-inline|U.S. Roads}}
- List of special routes of the United States Numbered Highway System
References
{{Reflist}}