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This article is about the section of Interstate 49 in Arkansas. For the entire route, see Interstate 49.
Interstate 49
I-49 highlighted in red, AR 549 highlighted in blue
Route information
Length
124.31 mi[1] (200.06 km)
Existed
2014–present
NHS
Entire route
Southern segment
South end
I-49 at the Louisiana state line
Major intersections
I-30 in Texarkana
North end
US 71 / US 59 in Texarkana
Northern segment
South end
I-40 / US 71 in Alma
Major intersections
US 62 in Fayetteville
US 412 in Springdale
US 62 in Rogers
North end
I-49 at the Missouri state line
Location
Country
United States
State
Arkansas
Counties
Miller, Sebastian, Crawford, Washington, Benton
Highway system
Interstate Highway System
Main
Auxiliary
Suffixed
Business
Future
Arkansas Highway System
Interstate
US
State
Business
Spurs
Suffixed
Scenic
Heritage
← AR 48
→ US 49
← I-540
AR 549
→ I-555
Interstate 49 (I-49) is an Interstate Highway in the state of Arkansas. There are two main sections of the highway across different sides of the state. The southern section starts at the Louisiana state line, then runs to Texarkana, at the Texas state line. The northern section begins at I-40 and at U.S. Highway 71 (US 71) in Alma and runs north to the Missouri state line, where the freeway continues into Missouri. An additional small section south of Fort Smith is currently designated as Highway 549 (AR 549) until it is extended northward to the I-40 interchange, at which point it will become part of I-49.
^Starks, Edward (January 27, 2022). "Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved December 24, 2023.
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Global Information
I-49 at the Louisiana state line
US 71 / US 59 in Texarkana
I-40 / US 71 in Alma
