Arkansas Highway 12
|Maintained by AHTD|
|Length:||56.6 mi (91.1 km)|
|Existed:||1926 – present|
|West end:||SH-116, Oklahoma state line|
| AR 59 / AR 264 at Gentry
US 71B / AR 72 at Bentonville
I-49 / US 62 / US 71 at Rogers
US 62 – Rogers
|East end:||AR 23 east of Clifty|
Arkansas Highway 12 is an east–west state highway in Northwest Arkansas. The route runs 56.60 miles (91.09 km) from Oklahoma State Highway 116 near Cherokee City east to Arkansas Highway 23 near Clifty.
AR 12 begins at the Oklahoma state line at SH-116. The route runs east, crossing AR 43 before entering Gentry. AR 12 meets AR 59B (Collins Avenue) and AR 59 (Gentry Blvd.) before leaving the city. The highway continues east through Springtown and Highfill, meeting AR 264 in south Highfill. AR 12 angles north past Northwest Arkansas Regional Airport to Vaughn before meeting AR 112 and US 71B near the Bentonville Municipal Airport. AR 12 becomes concurrent with many routes for the next 9.0 miles (14.5 km), crossing the Fulbright Expressway (I-49/US 62/US 71) entering Rogers.
The route runs along former US 62B before meeting AR 94 in Rogers. After this the concurrency ends, and AR 12 becomes a winding 2-lane road with several steep grades and hairpin curves around Beaver Lake. The route meets AR 303 near War Eagle and AR 127 near Clifty, when the route terminates at AR 23.
From Rogers east to Clifty, the Scenic Highway 12 East Association maintains a website which outlines various points of interest on this segment of highway. Hydrologically Arkansas Highway 12 lies within the Arkansas River catchment basin.
Mile markers reset at concurrencies
|Benton||||0.0||0.0||SH-116 west – Colcord||Oklahoma state line|
|||0.5||0.80||AR 43 – Maysville, Siloam Springs|
|Gentry||5.8||9.3||AR 59B (Collins Avenue)|
|6.0||9.7||AR 59 (South Gentry Boulevard) – Gravette, Siloam Springs|
|Highfill||14.0||22.5||AR 264 east – Cave Springs, Northwest Arkansas Regional Airport|
|Regional Avenue - Airport|
|Vaughn||20.1||32.3||AR 279 north (South Vaughn Road) to AR 102|
|Bentonville||26.0||41.8||AR 112 south (Southwest I Street) – Cave Springs|
|US 71B north (South Walton Boulevard)||west end of US 71B overlap|
|Bentonville–Rogers line||I-49 south (US 62 west / US 71 south) / US 71B south (West Walnut Street) to AR 94 – Rogers, Springdale, Fayetteville||east end of US 71B overlap; west end of I-49 / US 62 / US 71 overlap; AR 12 west follows exit 85|
|Bentonville||I-49 north (US 71 north) / AR 102 west (Southeast 14th Street) – Bella Vista, Bentonville, Centerton||east end of I-49 / US 71 overlap; AR 12 east follows exit 86|
|Rogers||AR 94 east – Rogers Business District||west end of AR 94 overlap|
|US 62 east / AR 94 west – Pea Ridge National Military Park||east end of US 62 / AR 94 overlap|
|North Second Street - Fayetteville||former US 62B west / AR 12 west|
|||11.5||18.5||AR 303 north – Rocky Branch Recreation Area|
|Lookout||16.5||26.6||AR 127 south|
|Madison||||23.5||37.8||AR 45 south to US 412|
|||28.7||46.2||AR 127 north|
|||29.9||48.1||AR 23 – Eureka Springs, Huntsville|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi
The route from Oklahoma to Rogers was originally designated as Arkansas State Road B-27 in Arkansas' initial state highway system of 1924. The route was unpaved. Upon redesignation in 1926, Arkansas Highway 12 was the major east–west route of north Arkansas, running from Oklahoma to Ash Flat via Harrison. This AR 12 was a precursor to U.S. Route 62 in Arkansas, which supplanted AR 12 almost entirely in 1930. The portion not replaced by US 62 remained AR 12, and is very similar to the present–day alignment. The routing was changed slightly in August 2010 when AR 12 replaced US 62 Business in east Rogers.
Despite no major routing changes since 1930, AR 12 has seen major change along its shoulders. Running through small mountain towns at inception, today AR 12 serves America's sixth–fastest growing metropolitan area. 
- "[Arkansas] State Highways 2009 (Database)." April 2010. AHTD: Planning and Research Division. Database. Retrieved March 17, 2011.
- General Highway Map - Benton County, Arkansas (PDF) (Map) (4/27/07 ed.). Arkansas State Highway and Transportation Department. Retrieved March 17, 2011. Cite error: Invalid
<ref>tag; name "ben" defined multiple times with different content (see the help page).
- "Gentry, Arkansas." Arkansas State Highway and Transportation Department. AHTD Gentry, AR map Retrieved on November 11, 2010.
- Arkansas State Highway and Transportation Department. AHTD Madison County map Retrieved on July 3, 2009.
- Map of State of Arkansas Showing System of Primary and Secondary Federal Aid Roads and Connecting State Roads and Progress of Improvements (Map) (December 31, 1924. ed.). [Arkansas] State Highway Commission. Retrieved March 17, 2011.
- Map of State of Arkansas Showing System of State Highways (Map) (1926 ed.). [Arkansas] State Highway Commission. Retrieved March 17, 2011.
- Official Highway Service Map (Map) (March 1930 ed.). [Arkansas] State Highway Commission. Retrieved March 17, 2011.
- Metros Ranked by Rate of Population Growth, 1990-2000 (Map). Census Scope. Retrieved March 17, 2011.