This article is about the section of Interstate 49 in Louisiana. For the entire route, see Interstate 49.
Interstate 49
I-49 highlighted in red
Route information
Maintained by Louisiana DOTD
Length
247.219 mi[1] (397.860 km)
244.021 mi (392.714 km) opened[a]
Existed
July 1982–present
NHS
Entire route
Southern segment
South end
I-10 / US 167 / LA 182 in Lafayette
Major intersections
US 190 in Opelousas
US 167 north of Opelousas
US 71 / US 167 in Alexandria
US 71 / US 165 in Alexandria
US 371 south of Evelyn
US 84 east of Mansfield
North end
I-20 in Shreveport
Northern segment
South end
I-220 in Shreveport
Major intersections
US 71 between Gilliam and Hosston
North end
I-49 at the Arkansas state line
Location
Country
United States
State
Louisiana
Parishes
Lafayette, St. Landry, Evangeline, Avoyelles, Rapides, Natchitoches, DeSoto, Caddo
Highway system
Interstate Highway System
Main
Auxiliary
Suffixed
Business
Future
Louisiana State Highway System
Interstate
US
State
Scenic
← LA 48
→ LA 49
I-49 near Chopin
Interstate 49 (I-49) is an Interstate Highway that spans 244.021 miles (392.714 km) in a north–south direction in the US state of Louisiana.[1] It runs from I-10 in Lafayette to the Arkansas state line north of Shreveport, largely paralleling the older US Highway 71 (US 71) corridor, and connects the state's two east–west Interstates at two of its metropolitan centers. Along the way, it serves the cities of Opelousas, Alexandria, and Natchitoches, intersecting several cross-state highways, such as I-20, US 190, US 167, US 165, and US 84.
I-49 was an intrastate Interstate Highway until December 12, 2012, when the designation was officially approved for an upgraded portion of US 71 in Missouri running from Joplin north to Kansas City.[3] A southern extension of the route from Lafayette to New Orleans is planned along the US 90 corridor.
^ abLouisiana Department of Transportation and Development, Highway Inventory Unit (2016). "LRS Conversion Tool". Louisiana Department of Transportation and Development. Retrieved April 14, 2019.
^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 March 10, 2023.
^"Missouri Getting New Interstate, at Least in name". St. Louis Post-Dispatch. Associated Press. September 4, 2012. Retrieved November 29, 2012.
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Global Information
I-10 / US 167 / LA 182 in Lafayette
I-20 in Shreveport
I-220 in Shreveport
I-49 at the Arkansas state line
