Interstate 49

Interstate 49 (I-49) is an Interstate Highway in the states of Louisiana, Arkansas, and Missouri in the United States. It goes from Lafayette, Louisiana north to Kansas City, Missouri. The route is 528.02 miles (849.77 km) long.

I-49 highlighted in red
Route information
Length	528.02 mi (849.77 km)
Existed	1984–present
Original segment
South end	in Lafayette, LA
North end	in Shreveport, LA
Northern Louisiana–southern Arkansas segment
South end	in Shreveport, LA
Major intersections	in Texarkana, AR in Texarkana, AR
North end	in Texarkana, AR
Northern segment
South end	in Alma, AR
Major intersections	near Joplin, MO
North end	in Kansas City
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future

I-49 is currently in three separate segments. The first segment goes from Lafayette to Shreveport, Louisiana. The second segment goes from just north of Shreveport to Texarkana, Arkansas. The third segment goes from Alma, Arkansas to Kansas City. In the future, I-49 will be a fully connected highway from New Orleans, Louisiana to Kansas City. These unfinished portions are in many stages of planning or construction.

Interstate 49 Media

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  I-49 near Chopin, Louisiana (2009)

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  I-49 rises into the Ozark Mountains south of Fayetteville.

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  Former ghost ramp which serves as the northern end of the Bella Vista Bypass, which was opened on October 1, 2021.

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  I-49 milepost marker south of Carthage, Missouri, temporarily turned so as not to be visible to traffic.

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  First reassurance marker on AR 549 north of US 71 near Texarkana

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  Ray LaHood (center) addresses attendees at the Bella Vista Bypass groundbreaking ceremony on June 8, 2011

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  New location of AR 72 near Hiwasse, Arkansas, in order to accommodate an interchange with the future Bella Vista Bypass (to the right)

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  Future corridor I-49 sign in Lafayette, Louisiana

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  Future I-49 corridor sign along US 90 near the interchange with LA 1 in Raceland