Interstate 49 in Arkansas

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.

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
Length124.31 mi (200.06 km)
Existed2014–present
NHSEntire route
Southern segment
South end I-49 at the Louisiana state line
Major intersections
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
CountryUnited States
StateArkansas
CountiesMiller, Sebastian, Crawford, Washington, Benton
Highway system
  • Main
  • Auxiliary
  • Suffixed
  • Business
  • Future
← AR 48→ US 49
← I-540AR 549→ I-555
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