Arkansas Highway 21

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Highway 21
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Route information
Maintained by AHTD
Length: 99.14 mi[1] (159.55 km)
Existed: 1926 – present
Major junctions
South end: US 64 in Clarksville
  US 62 in Berryville
US 412
AR 16
North end: Route 13, Missouri state line
Location
Counties: Johnson, Newton, Madison, Carroll
Highway system
← AR 20 AR 22 →

Highway 21 (AR 21, Ark. 21, and Hwy. 21) is a north–south state highway in north central Arkansas. The route of 99.14 miles (159.55 km) runs from US Route 64 (US 64) in Clarksville north across US 62 to Missouri Route 13 at the Missouri state line[2] The route is entirely a two-lane route with the exception of a brief concurrency with US 62 in Berryville.[1]

Route description

File:Ozark Highlands Scenic Byway 002.jpg
Near the northern end of the Ozark Highlands Scenic Byway

The route begins at US 64 in Clarksville near the Clarksville Municipal Airport and runs north to the Ozark National Forest. Highway 21 runs north to intersect Highway 292 near Ludwig and Ludwig Lake near Hillcrest in Johnson County.[3] The route begins a concurrency with Highway 16[a 1] until Edwards Junction when Highway 21 turns north and serves as a southern terminus for Highway 43 at Boxley.[5] 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.[6] Continuing north, Highway 21 intersects US 412 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 48 from Interstate 40 in Clarksville. Highway 21 is signed as running northbound along Highway 103 for 3 miles (4.8 km) then running east along US 64 for 1-mile (1.6 km) before meeting the true southern terminus.

Ozark Highlands Scenic Byway

File:Ozark Highlands Scenic Byway.gif
Map of the 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).[7] The byway begins at the southern terminus of Highway 21 at US 64 in Clarksville and runs north to the Buffalo National River near Boxley.[8] Wildlife and scenic views are frequent along the nearly 35-mile-long (56 km) route.[7] The highway is popular as a major route to the Ozark National Forest, 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 Missouri.[9]

Major intersections

Mile markers reset at some concurrencies.

County Location mi[1] km Destinations Notes
Johnson Clarksville 0.00 0.00 US 64 (Main Street)
0.41 0.66 AR 164 east (Airport Road)
Ludwig 2.99 4.81 AR 292 east
Hillcrest AR 818 – University of Arkansas Agricultural Experiment Station
Newton Fallsville 28.13 45.27 AR 16 west to AR 23 – Fayetteville South end of AR 16 overlap
Edwards Junction 36.71 59.08 AR 16 east to AR 7 North end of AR 16 overlap
Boxley 48.04 77.31 AR 43 north – Ponca, Jasper
Madison Kingston 57.45 92.46 AR 74 west to AR 23 Traffic circle
Carroll ​ 64.66 104.06 US 412 west – Huntsville South end of US 412 overlap
​ 0.00 0.00 US 412 east – Alpena North end of US 412 overlap
Berryville 17.56 28.26 US 62 east (South Main Street) – Harrison South end of US 62 overlap
0.00 0.00 US 62 west (South Main Street) / AR 221 south – Eureka Springs North end of US 62 overlap; south end of AR 221 overlap
2.16 3.48 AR 221 north North end of AR 221 overlap
Oak Grove 12.55 20.20 AR 103 south – Green Forest
Blue Eye 16.67 26.83 AR 311 south
16.92 27.23 Route 13 north – Springfield Missouri state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

Notes

  1. ↑ Although Arkansas highways normally terminate when intersected by a route of greater importance, Highway 21 in Madison County does not end when intersecting Highway 16.[4]

References

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