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 U.S. Route 62 or U.S. Highway 62 (US 62) runs from the Mexican border at El Paso, Texas, to Niagara Falls, New York, near the Canadian border. It is the only east-west United States Numbered Highway that connects Mexico and Canada ...

Missouri Route 13 Route 13 is a highway in Missouri which runs almost the entire north–south length of the state. Its northern terminus is at U.S. Route 69/ 136 in Bethany. Its southern terminus is at the Arkansas state line in downtown Blue Eye, Misso ...

at the

Missouri Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...

state line The route is a two-lane highway with the exception of a brief concurrency with

, a four-lane highway, in Berryville.

Route description

The route begins at

US 64 U.S. Route 64 (US 64) is an east–west United States highway that runs for 2,326 miles (3,743 km) from Nags Head in eastern North Carolina to just southwest of the Four Corners in northeast Arizona. The western terminus is at U.S. Route 1 ...

in Clarksville near the Clarksville Municipal Airport and runs north to the

Ozark National Forest The Ozarks, also known as the Ozark Mountains, Ozark Highlands or Ozark Plateau, is a physiographic region in the U.S. states of Missouri, Arkansas, Oklahoma and the extreme southeastern corner of Kansas. The Ozarks cover a significant port ...

. Highway 21 runs north to intersect Highway 292 near Ludwig and Ludwig Lake near Hillcrest in Johnson County. The route begins a concurrency with

Highway 16 Route 16, or Highway 16, can refer to: International * Asian Highway 16 * European route E16 * European route E016 Australia - Thompsons Road (Victoria) - South Australia Canada ;Parts of the Trans-Canada Highway: *Yellowhead Hi ...

until Edwards Junction when Highway 21 turns north and serves as a southern terminus for Highway 43 at Boxley. Upon entering Madison County the highway intersects Highway 74 in Kingston and passes the Bank of Kingston, a property on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic ...

. Continuing north, Highway 21 intersects

US 412 U.S. Route 412 is an east–west United States highway, first commissioned in 1982. U.S. 412 overlaps expressway-grade Cimarron Turnpike from Tulsa west to Interstate 35 and the Cherokee Turnpike from east of Chouteau, Oklahoma, to west of ...

along the Carroll County line. Its southern terminus is officially at US 64 just east of Clarksville, though northbound it is posted as beginning at Interstate 40 running north along . The route is signed as a destination at exit 58 from

Interstate 40 Interstate 40 (I-40) is a major east–west Interstate Highway running through the south-central portion of the United States. At a length of , it is the third-longest Interstate Highway in the country, after I-90 and I-80. From west to ea ...

in Clarksville. Highway 21 is signed as running northbound along Highway 103 for then running east along US 64 for before meeting the true southern terminus.

Ozark Highlands Scenic Byway

A portion of Highway 21 was designated as the Ozark Highlands Scenic Byway in 2005 by the Arkansas State Highway and Transportation Department (AHTD). The byway begins at the southern terminus of Highway 21 at US 64 in Clarksville and runs north to the

Buffalo National River The Buffalo River, located in Northern Arkansas, was the first National River to be designated in the United States. The Buffalo River is long. The lower flow within the boundaries of an area managed by the National Park Service, where the str ...

near Boxley. Wildlife and scenic views are frequent along the nearly route. The highway is popular as a major route to the

, the Ozark Highlands Trail, and the White River in addition to being the major travel route to cities in the area and points in southern

Major intersections

Mile markers reset at some concurrencies.

Notes

References

External links

{{commons category-inline, Arkansas Highway 21

021 021 is: * in Brazil, the telephone area code for the city of Rio de Janeiro and surrounding cities (Greater Rio de Janeiro) * in China, the telephone area code for the city of Shanghai. * in Indonesia, the area code for the city of Jakarta ...