Highway 21 | ||||
|---|---|---|---|---|
 | ||||
| Route information | ||||
| Maintained by ArDOT | ||||
| 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 | ||||
| Country | United States | |||
| State | Arkansas | |||
| Counties | Johnson, Newton, Madison, Carroll | |||
| Highway system | ||||
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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 a two-lane highway with the exception of a brief concurrency with US 62, a four-lane highway, in Berryville.[1]
- ^ a b Planning and Research Division (2010). "Arkansas Road Log Database". Arkansas State Highway and Transportation Department. Archived from the original (Database) on 23 June 2011. Retrieved June 9, 2011.
- ^ General Highway Map, Carroll County, Arkansas (PDF) (Map). 1:62500. Cartography by Planning and Research Division. Arkansas State Highway and Transportation Department. 2010. Retrieved June 25, 2011.