Even though the number “412” would indicate that U.S. 412 is a spur route of U.S. 12, the two highways never connect because U.S. 12 runs far more north than U.S. 412. Even though U.S. 412 is a three-digit highway, it is still considered part of the double-digit U.S. Highway System.
The highway begins at mile marker 412 of Interstate 25 in Springer. It is concurrent with U.S. Route 56 throughout its entire route in the state at just under 100 miles (160 km). Besides Springer, the only other town Route 412 passes through is Clayton, where it merges with U.S. Route 64. Just before entering Oklahoma, the highway touches the northwestern corner of Texas at a small road junction.
U.S. 412 as it enters Arkansas in Siloam Springs.US 412 near Hindsville, Arkansas.
US 412 crosses I-49/US 62/US 71 in Springdale, where the route is four-lane with a center left-turn lane.[5] Now named Sunset Avenue, the route passes through developed parts of Springdale, including many restaurants, hotels, and businesses before turning south, forming a concurrency with US 71B. The concurrency ends and US 412 heads east past the Springdale Municipal Airport and Highway 265 out of town. Again becoming four-lane divided, the route winds east to Hindsville.[6]
The route nears Hindsville, including an intersection with a former alignment now designated US 412B. The community was bypassed in 2009 with a four-lane alignment of US 412.[6] US 412 continues east, winding through forested land. Near Huntsville, the highway intersects another business route and Highway 23 before entering Carroll County.
Still concurrent with I-155, US 412 enters Tennessee from Missouri on the Caruthersville Bridge before meeting US 51 in Dyersburg. The interstate designation ends as 412 turns southeast toward Jackson on a stretch of highway that was upgraded from 2 to 4 lanes in the 1990s. After leaving Jackson on its eastern side, US 412 passes through the towns of Lexington, Parsons, and Hohenwald before reaching Columbia. The section from Hohenwald eastward to I-65 near Columbia is overlapped with unsignedState Route 99. East of I-65 at the eastern terminus of US 412, the route remains SR 99.
History
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Arkansas Highway 68 is the former designation of U.S. Highway 412 from the Arkansas-Oklahoma State Line to U.S. Highway 62 at Alpena. The original eastern terminus of Highway 68 was 10 miles (16 km) east of Huntsville at Highway 21, but was extended in the 1940s to Alpena.
An old alignment of Highway 68 can be found 4 miles (6.4 km) east of Huntsville. This section includes an open-spandrel arch bridge over War Eagle Creek.
Just east of Mountain Home, in Henderson, the highway crosses Lake Norfork, which at one time had to be crossed by ferry. Coinciding with the final trip of a Norfork Lake ferry at 8 a.m. Friday, October 14, 1983, the U.S. Highway 62 bridge across Lake Norfork was opened. Charles Gibson piloted the ferry on that trip, carrying three cars across the lake within the shadow of the bridge, which brought a 40-year era to an end.
Future
Future Interstate in Oklahoma and Arkansas
This article is about the future interstate in Oklahoma and Arkansas. For the future interstate in North Carolina, see Interstate 42 (North Carolina).
On May 20, 2021, SenatorJim Inhofe, Republican of Oklahoma, introduced legislation to designate the portion of US-412 between I-35 in Noble County, Oklahoma and I-49 in Springdale, Arkansas as a future Interstate. The bill, titled the "Future Interstate in Oklahoma and Arkansas Act" (S. 1766), was cosponsored by senators John Boozman and Tom Cotton, both Republicans of Arkansas. The senators' stated reasons for seeking an Interstate designation along the US-412 corridor included encouraging economic development, expanding opportunities for employment in the region, making travel safer and shipping easier, attracting new businesses, and better connecting rural and urban communities. Other supporters of the measure include the mayor of Tulsa, G. T. Bynum, and the heads of both the Oklahoma Department of Transportation (ODOT) and the Arkansas Department of Transportation (ArDOT).[16] In October 2023, officials from both states requested public feedback on the US 412 study area, which is approximately 190 mi (310 km) long.[17] Interstate 42 (I-42) was the proposed designation but was withdrawn.[18] ArDOT and ODOT later resubmitted the application to the Spring 2024 meeting; AASHTO approved the route as Interstate 42, conditional on it being upgraded to Interstate standards.[19]
^General Highway Map(PDF) (Map) (Benton County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
^General Highway Map(PDF) (Map) (Washington County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
^ ab"[Arkansas] State Highways 2009 (Database)." April 2010. AHTD: Planning and Research Division. Database.Archived 2011-07-07 at the Wayback Machine Retrieved June 4, 2011.
^ abGeneral Highway Map(PDF) (Map) (Madison County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
^General Highway Map(PDF) (Map) (Carroll County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
^ abGeneral Highway Map(PDF) (Map) (Boone County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
^General Highway Map(PDF) (Map) (Marion County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
^General Highway Map(PDF) (Map) (Baxter County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
^General Highway Map(PDF) (Map) (Fulton County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
^General Highway Map(PDF) (Map) (Sharp County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
^ abGeneral Highway Map(PDF) (Map) (Lawrence County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
^"Cache River US 412 Bridge." Bridgehunter.com. Updated April 19, 2010. Bridge Profile. Retrieved 2011-06-04.
^General Highway Map(PDF) (Map) (Greene County ed.). Arkansas State Highway and Transportation Department. Retrieved June 4, 2011.
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