Interstate 55 in Arkansas

This article is about the section of highway in Arkansas. For the entire length of highway, see Interstate 55.

Interstate 55
I-55 highlighted in red
Route information
Maintained by ArDOT
Length72.22 mi (116.23 km)
Existed1957–present
NHSEntire route
Major junctions
South end I-55 / US 61 / US 64 / US 70 / US 78 / US 79 / SR 1 at the Tennessee state line in West Memphis
Major intersections
North end I-55 at the Missouri state line in Blytheville
Location
CountryUnited States
StateArkansas
CountiesCrittenden, Mississippi
Highway system
← AR 54→ AR 56

Interstate 55 (I-55) is a north–south Interstate Highway that has a 72.22-mile (116.23 km) section in the US state of Arkansas connecting sections in Tennessee and Missouri. The route enters Arkansas on the Memphis & Arkansas Bridge over the Mississippi River from Memphis, Tennessee. It travels northward through northeast Arkansas, connecting the cities of West Memphis and Blytheville. I-55 continues into Missouri heading to St. Louis, Missouri. The highway overlaps I-40 in West Memphis and has a junction with I-555, a spur route to Jonesboro, in Turrell. For the majority of its routing through Arkansas, I-55 generally follows U.S. Highway 61 (US 61) and has a 67.08-mile (107.95 km) long concurrency with US 78 from the Tennessee state line in Memphis to Blytheville for most of its length.

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