Route 21 (Massachusetts)
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''For roads named A21 see ; List of A21 roads''
Route 21, or Highway 21, can refer to:


International

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European route E21 European route E21 is a series of roads in Europe, part of the United Nations International E-road network. It runs from Metz, France to Geneva, Switzerland. It meets the European route E25, the E50 and the E411 at Metz, from where it departs. ...


Australia

* Chandler Highway *
Toowoomba Connection Road The Toowoomba Connection Road is a former section of the Warrego Highway that passes through the city of Toowoomba in Queensland, Australia. With the opening of the Toowoomba Bypass in 2019 the Warrego Highway was redirected to it, and the byp ...
(QLD) * - Kakadu Highway


Austria

* Wiener Außenring Autobahn


Cambodia

* National Road 21 (Cambodia)


Canada

* Alberta Highway 21 *
British Columbia Highway 21 Highway 21 is a cross-border spur in the Regional District of Central Kootenay in British Columbia. First opened in 1964, the highway travels 14 km (9 mi) northwest along the Kootenay River from its connection with Idaho State Highway ...
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Manitoba Highway 21 Provincial Trunk Highway 21 (PTH 21) is a provincial highway in the Canadian province of Manitoba. It runs from the U.S. border (where it meets with ND 14) to PTH 45 and PR 577 in the village of Oakburn. PTH 21 is two lanes and runs north– ...
* Newfoundland and Labrador Route 21 *
Ontario Highway 21 King's Highway 21, commonly referred to as Highway 21, is a provincially maintained highway in the Canadian province of Ontario that begins at Highway 402 midway between Sarnia and London and ends at Highway 6, Highway 10 and Highway 26 in ...
* Prince Edward Island Route 21 *
Saskatchewan Highway 21 Highway 21 is a highway in the Canadian province of Saskatchewan. It runs from Montana Secondary Highway 233 at the United States border near Willow Creek to Highway 950/ Highway 919 within the Meadow Lake Provincial Park. Highway 21 is about ...


Costa Rica

* National Route 21


Czech Republic

* I/21 Highway; Czech: Silnice I/21


Hungary

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Main road 21 (Hungary) The Main road 21 is a south–north direction First class main road in the road in the valley of a Zagyva river, that connects the M3 motorway's Hatvan junction to the, facilitating access from the capital city of Hatvan to Salgótarján- Somosk ...


India

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National Highway 21 (India) National Highway 21 (NH 21) is a primary national highway in India. This highway connects Jaipur in Rajasthan to Agra and Bareilly in Uttar Pradesh This national highway is long. Route * Jaipur to Bharatpur * Bharatpur to Agra * Agra to S ...


Iran

* Road 21


Ireland

* N21 road (Ireland)


Italy

* Autostrada A21


Japan

* Japan National Route 21


Korea, South

* National Route 21


Moldova

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M21 highway (Moldova) The M21 highway ( ro, Drumul național M21) was a road in Moldova, which linked Chișinău to the border with Ukraine near Dubău via Dubăsari. It was long, and formed part of the European route E584 of the International E-road network. Further ...


New Zealand

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New Zealand State Highway 21 State Highway 21 (SH 21) is a short 6.7 kilometre stretch of highway in the North Island of New Zealand. It links , Waikato Expressway at Tamahere and at Ōhaupō. Its main destination is Hamilton Airport and Mystery Creek, where the ...


Paraguay

* National Route 21


Turkey

* , a motorway in Turkey running from Kemerhisar, Niğde Province to Tarsus, Mersin Province.


United Kingdom

* British A21 (Hastings-London) *
A21 road (Northern Ireland) The A21, also Comber road, is a road in County Down in Northern Ireland. The route commences in Bangor, passing through Newtownards, Comber, and Ballygowan, and finishes on the northern outskirts of Ballynahinch. There are two dual carriageway ...


United States

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U.S. Route 21 U.S. Route 21 or U.S. Highway 21 (US 21) is a major north–south United States Numbered Highway in the Southeastern United States that travels . The southern terminus is in Hunting Island State Park, South Carolina, south of the ...
* Alabama State Route 21 *
Arkansas Highway 21 Highway 21 (AR 21, Ark. 21, and Hwy. 21) is a north–south state highway in north central Arkansas. The route of runs from US Route 64 (US 64) in Clarksville north across US 62 to Missouri Route 13 at the Missouri state line The route is ...
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Arkansas Highway 21E Highway 103 (AR 103, Ark. 103, and Hwy. 103) is a designation for two north–south state highways in Arkansas. One segment begins in Clarksville in the Arkansas River Valley and runs north to the Ozark National Forest. A second route runs throu ...
(former) **
Arkansas Highway 21W Highway 21 (AR 21, Ark. 21, and Hwy. 21) is a north–south state highway in north central Arkansas. The route of runs from US Route 64 U.S. Route 64 (US 64) is an east–west United States highway that runs for 2,326 miles (3,743 km) fr ...
(former) * California State Route 21 (former) **
County Route A21 (California) There are 28 routes assigned to the "A" zone of the California Route Marker Program, which designates county routes in California. The "A" zone includes county highways in Lassen, Plumas, Shasta, Siskiyou, and Tehama counties. A1 County Ro ...
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County Route E21 (California) There are 21 routes assigned to the "E" zone of the California Route Marker Program, which designates county routes in California. The "E" zone includes county highways in Alpine, Amador, Butte, Calaveras, El Dorado, Placer, Plumas, Sacramen ...
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County Route G21 (California) There are 21 routes assigned to the "G" zone of the California Route Marker Program, which designates county routes in California. The "G" zone includes county highways in Monterey, San Benito, San Luis Obispo, Santa Clara, and Santa Cruz cou ...
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County Route J21 (California) There are 45 routes assigned to the "J" zone of the California Route Marker Program, which designates county routes in California. The "J" zone includes county highways in Alameda, Calaveras, Contra Costa, Fresno, Kern, Inyo, Mariposa, Merce ...
** County Route S21 (California) *
Colorado State Highway 21 State Highway 21 (SH 21), also known as Powers Boulevard, is an expressway in El Paso County, in eastern Colorado Springs. SH 21 currently extends from SH 16 (Mesa Ridge Parkway) in Fountain at its southern end to Interquest Park ...
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Connecticut Route 21 Route 21 is a state highway in rural northeastern Connecticut. It extends from Route 12 in Killingly to Route 193 in Thompson. It serves as an alternate to Route 12 in the town of Putnam. Route description Route  ...
* Florida State Road 21 ** County Road 21B (Clay County, Florida) **
County Road 21B (Duval County, Florida) Duval County, Florida (located in north-east Florida) operates a system of county roads that serve all portions of the county. The numbers and routes of all Florida highways are assigned by the Florida Department of Transportation (FDOT), while ...
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County Road 21D (Duval County, Florida) Duval County, Florida (located in north-east Florida) operates a system of county roads that serve all portions of the county. The numbers and routes of all Florida highways are assigned by the Florida Department of Transportation (FDOT), while ...
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County Road 21 (Marion County, Florida) State Road 21 (SR 21) runs mostly in a southwest-to-northeast direction in the US state of Florida from McMeekin, Florida, McMeekin to Jacksonville, Florida, Jacksonville. It is also known as Blanding Boulevard for much of its length. SR&nb ...
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County Road 21 (Putnam County, Florida) State Road 21 (SR 21) runs mostly in a southwest-to-northeast direction in the US state of Florida from McMeekin to Jacksonville. It is also known as Blanding Boulevard for much of its length. SR 21 is one of three routes, along with ...
* Georgia State Route 21 * Hawaii Route 21 (former) * Idaho State Highway 21 *
Illinois Route 21 Illinois Route 21 (IL 21) is an arterial north–south state highway in northeastern Illinois. It runs from Illinois Route 43 (Harlem Avenue) in Niles to U.S. Route 41 (Skokie Highway) north of Gurnee. Illinois 21 is 28.13 miles (45.27  ...
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Indiana State Road 21 Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th st ...
(former) * Iowa Highway 21 *
Kentucky Route 21 Kentucky Route 21 (KY 21) is a west-east highway in Madison County, running from the Garrard County line near Paint Lick to Bighill, east of Berea. It begins at KY 52 at the Garrard County line at the Paint Lick Creek Bridge. The road passe ...
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Louisiana Highway 21 Louisiana Highway 21 (LA 21) is a state highway in Louisiana that serves St. Tammany Parish, LA, St. Tammany and Washington Parish, LA, Washington Parishes. It spans and is signed north and south. Route description From the south, LA 21 begins a ...
* Maryland Route 21 * Massachusetts Route 21 *
M-21 (Michigan highway) M-21 is an east–west state trunkline highway in the US state of Michigan connecting the cities of Grand Rapids and Flint. The highway passes through rural farming country and several small towns along its course through the Lower Peninsula. ...
* Minnesota State Highway 21 **
County Road 21 (Anoka County, Minnesota) The following is a list of county-maintained roads in Anoka County, Minnesota, United States. Many routes in this list are also county-state-aid-highways (CSAH.) CR 1–CR 25 County Road 1 runs from County Road 14 (East Main Street) in ...
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County Road 21 (Hennepin County, Minnesota) Hennepin County, Minnesota, United States maintains a number of county roads, many of them county state aid highways (CSAH). This includes a number of streets through the city of Minneapolis. CR 1–CR 25 County Road 1 serves Bloomington and E ...
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County Road 21 (Scott County, Minnesota) The following is a list of county-maintained roads in Scott County, Minnesota, United States. Many routes in this list are also county-state-aid-highways (CSAH.) Route list Refere ...
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Mississippi Highway 21 Mississippi Highway 21 (MS 21) is a state highway in central Mississippi. It runs from north to south for and serves six counties: Scott, Leake, Newton, Neshoba, Kemper, and Noxubee. Route description MS 21 begins in Scott County in Fo ...
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Missouri Route 21 Route 21 is a highway in eastern Missouri. Its northern terminus is at Route 30 in Affton. Its southern terminus is at the Arkansas state line (where it continues as Highway 115). In the St. Louis area, it is known as Tesson Ferry Road, which w ...
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Montana Highway 21 The state highways in Montana are the state highways owned and maintained by the Montana Department of Transportation (MDT) in the US state of Montana. Montana's state highways are classified as either primary or secondary. Several of Montana's ...
* Nebraska Highway 21 ** Nebraska Spur 21B ** Nebraska Spur 21C * Nevada State Route 21 (former) * New Jersey Route 21 **
County Route C21 (Bergen County, New Jersey) The following is a list of county routes in Bergen County in the U.S. state of New Jersey. For more information on the county route system in New Jersey as a whole, including its history, see County routes in New Jersey. 500-series county rout ...
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County Route 21 (Monmouth County, New Jersey) The following is a list of county routes in Monmouth County in the U.S. state of New Jersey. For more information on the county route system in New Jersey as a whole, including its history, see County routes in New Jersey. History In the 1937 ...
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New Mexico State Road 21 New Mexico State Road 21 (NM 21), is a state highway located entirely in Colfax County in the U.S. state of New Mexico. The road starts in the center of the town of Cimarron at U.S. Route 64 (US 64) and runs southward then east to an intersect ...
* New York State Route 21 **
County Route 21 (Allegany County, New York) County routes in Allegany County, New York, are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. The signing of county routes in Allegany County began in 1957, as part of a sponsored project ...
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County Route 21 (Chautauqua County, New York) County routes in Chautauqua County, New York, are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. Even numbered routes are west–east roads, while odd numbered routes are south–north roa ...
** County Route 21 (Columbia County, New York) ***
County Route 21B (Columbia County, New York) County routes in Columbia County, New York, are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. All roads maintained by Columbia County are assigned a county highway number; this number is un ...
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County Route 21C (Columbia County, New York) 21c or 21C may refer to: * ''21c'' (TV series), a Canadian newsmagazine *21c Museum Hotel, an American hotel chain * Carbon-21 (21C), an isotope of carbon * Czinger 21C, an American hybrid supercar See also *21st century *MIKE 21C *''Techno Police ...
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County Route 21 (Delaware County, New York) County routes in Delaware County, New York, are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. Traditionally, county routes are signed at each end of the road which the county maintains. Th ...
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County Route 21 (Dutchess County, New York) Dutchess County, New York maintains a system of signed county routes primarily to serve local traffic between the various communities in the county. Route numbers below 100 generally increase progressively based on the alphabetical order of the to ...
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County Route 21 (Erie County, New York) Most of the county routes in Erie County, New York, act as primary roads in the less developed areas and also serve to interconnect the various villages and hamlets of the county. Not all routes are signed. All routes are maintained by the Erie ...
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County Route 21 (Essex County, New York) The highway system of Essex County, New York, comprises of roads maintained by the New York State Department of Transportation, the county, and its towns and villages. Eighteen state-maintained highways enter the county, which account for a combi ...
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County Route 21 (Genesee County, New York) County routes in Genesee County, New York, are not posted on route markers. However, the number is given, along with house numbers, often on intersection blade signs. There is no apparent numbering pattern. County routes generally comprise one or ...
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County Route 21 (Hamilton County, New York) The highway system of Hamilton County, New York, comprises of roads maintained by the New York State Department of Transportation (NYSDOT), the county, and its towns and villages. NYSDOT maintains five state touring routes in Hamilton County, w ...
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County Route 21 (Herkimer County, New York) County routes in Herkimer County, New York, are typically signed only on street blade signs. Some routes are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker; however, this is uncommon. Rou ...
** County Route 21 (Lewis County, New York) **
County Route 21 (Oneida County, New York) County routes in Oneida County, New York, are generally signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. County Route 840 (CR 840) was once the only signed county route within Oneid ...
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County Route 21 (Ontario County, New York) County routes in Ontario County, New York, provide main arterial connections that are not otherwise provided by state highways. County routes never enter villages or cities; instead, they usually terminate at the village or city line or at an int ...
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County Route 21 (Orange County, New York) County routes in Orange County, New York, are maintained by the Orange County Department of Public Works. Most routes are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker; however, some route ...
** County Route 21 (Oswego County, New York) **
County Route 21 (Otsego County, New York) County routes in Otsego County, New York, are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. Road names for each route are listed below where applicable; however, most routes are known only b ...
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County Route 21 (Putnam County, New York) County routes in Putnam County, New York, known within the county as "county roads", are owned and maintained by the Putnam County Department of Highways and Facilities. Most of the county road numbers, which are all two-digits, are signed with t ...
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County Route 21 (Rensselaer County, New York) County routes in Rensselaer County, New York, are maintained by the Rensselaer County Highway Department and signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. Routes generally do not enter ci ...
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County Route 21 (Saratoga County, New York) County routes in Saratoga County, New York, are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. The highest numbered route in the county, County Route 1345 (CR 1345), is the only si ...
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County Route 21 (Schoharie County, New York) County routes in Schoharie County, New York, are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. Routes 1–50 Routes 51 and up See also *County routes in New York References {{reflist, ...
** County Route 21 (Suffolk County, New York) **
County Route 21 (Sullivan County, New York) County routes in Sullivan County, New York, are maintained by the Sullivan County Division of Public Works and signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. The county highway system comp ...
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County Route 21 (Ulster County, New York) County routes in Ulster County, New York, are mostly signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker, however, several routes are still marked with very faded, sometimes illegible blue diamon ...
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County Route 21 (Washington County, New York) County routes in Washington County, New York, are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. Routes 1–40 Routes 41 and up See also *County routes in New York *List of former stat ...
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County Route 21 (Westchester County, New York) County routes in Westchester County, New York, are maintained by the Westchester County highway department. They provide additional interconnections between state highways within the county. Some portions of state highways in Lower Westchester Coun ...
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County Route 21 (Wyoming County, New York) County routes in Wyoming County, New York, serve as connections between major routes in the county. Wyoming County does not use the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagonal route marker to sign its county routes; ...
** County Route 21 (Yates County, New York) *
North Carolina Highway 21 North Carolina Highway 21 (NC 21) was a primary state highway in the U.S. state of North Carolina. Originally, NC 21 began at the South Carolina state line west of Fair Bluff. The highway travelled north connecting Lumberton, Fayette ...
(former) *
North Dakota Highway 21 North Dakota Highway 21 (ND 21) is an east-west highway in North Dakota. The eastern terminus is at ND 6 about north of Breien and the western terminus is at U.S. Route 85 U.S. Route 85 (US 85) is a north–south United ...
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Ohio State Route 21 State Route 21 (SR 21) is a north–south state highway in northeastern Ohio. The southern terminus is north of Strasburg on U.S. Route 250. The northern terminus is at an interchange with Interstate 77 in Cuyahoga Heights. Route desc ...
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Pennsylvania Route 21 Pennsylvania Route 21 (PA 21) is a long east–west state highway in the US state of Pennsylvania. The western terminus of the route is at the West Virginia state line in Richhill Township, where PA 21 continues into West Virginia as West ...
* South Carolina Highway 21 (1920s) (former) * South Dakota Highway 21 *
Tennessee State Route 21 State Route 21 (SR 21) is a two lane highway that runs from the Mississippi River west of Tiptonville, Tennessee to the Kentucky state line north of Union City. This road provides access to Reelfoot Lake State Park. Route description SR 21 beg ...
* Texas State Highway 21 **
Texas State Highway Loop 21 Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...
** Farm to Market Road 21 **
Texas Park Road 21 Park Roads represent a subset of public roads designated and maintained by the Texas Department of Transportation (TxDOT). Park Roads are intended to provide access to and connection within Texas state parks. The system of Park Roads was establis ...
* Utah State Route 21 *
State Route 21 (Virginia 1918-1933) U.S. Route 211 (US 211) is a spur of US 11 in the U.S. state of Virginia. Known for most of its length as Lee Highway, the U.S. Highway runs from Interstate 81 (I-81) and Virginia State Route 211 (SR 211) in New Market east to US 15 Business, ...
(former) *
Washington State Route 21 State Route 21 (SR 21) is a long state highway in the U.S. state of Washington that traverses four counties: Franklin, Adams, Lincoln and Ferry. The highway extends from an intersection with in Kahlotus north through Lind, Odessa, ...
** Primary State Highway 21 (Washington) (former) **
Secondary State Highway 21B (Washington) 21B may refer to: * 2-1B, a droid character in ''Star Wars'' * Boron-21 Boron (5B) naturally occurs as isotopes and , the latter of which makes up about 80% of natural boron. There are 13 radioisotopes that have been discovered, with mass num ...
(former) **
Secondary State Highway 21C (Washington) 21c or 21C may refer to: * ''21c'' (TV series), a Canadian newsmagazine *21c Museum Hotel, an American hotel chain * Carbon-21 (21C), an isotope of carbon * Czinger 21C, an American hybrid supercar See also *21st century *MIKE 21C MIKE 21C is a ...
(former) *
County Route 21 (Jackson County, West Virginia) U.S. Route 21 or U.S. Highway 21 (US 21) is a major north–south United States Numbered Highway in the Southeastern United States that travels . The southern terminus is in Hunting Island State Park, South Carolina, south of the ...
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County Route 21 (Kanawha County, West Virginia) U.S. Route 21 or U.S. Highway 21 (US 21) is a major north–south United States Numbered Highway in the Southeastern United States that travels . The southern terminus is in Hunting Island State Park, South Carolina, south of th ...
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County Route 21 (Wirt County, West Virginia) U.S. Route 21 or U.S. Highway 21 (US 21) is a major north–south United States Numbered Highway in the Southeastern United States that travels . The southern terminus is in Hunting Island State Park, South Carolina, south of the ...
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County Route 21 (Wood County, West Virginia) U.S. Route 21 or U.S. Highway 21 (US 21) is a major north–south United States Numbered Highway in the Southeastern United States that travels . The southern terminus is in Hunting Island State Park, South Carolina, south of the ...
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Wisconsin Highway 21 State Trunk Highway 21 (often called Highway 21, STH-21 or WIS 21) is a state highway in the U.S. state of Wisconsin. It runs east–west across the center of the state between Sparta and Oshkosh. The route often serves as a direct route for ...
;Territories * Puerto Rico Highway 21


See also

* List of A21 roads * List of highways numbered 21A {{Road index, 021