List of numbered highways in Louisiana

infobox state highway system
shields=
caption=Louisiana Highway shield
state=Louisiana Highway X (LA X)
interstate=Interstate X (I-X)
us=U.S. Highway X (US X)
notes=Numbered highways are generally state-maintained.__TOC__

U.S. and Louisiana Highways

valign=top width=25%

Interstate Highways

*Interstate 10, south Louisiana's east-west artery, includes cities of New Orleans, Baton Rouge, Lafayette and Lake Charles.
*Interstate 12, Baton Rouge to Slidell, New Orleans bypass
*Interstate 20, north Louisiana's east-west artery, incudes cities of Shreveport and Monroe, Louisiana.
*Interstate 49, Lafayette to Shreveport, expansion of 49 south to New Orleans, replacing part of U.S. Highway 90, and north to Texarkana, Texas is scheduled in 2007.
*Interstate 55
*Interstate 59
*Interstate 110, Baton Rouge downtown spur.
*Interstate 210, Lake Charles east-west loop.
*Interstate 220, Shreveport/Bossier City bypass
*Interstate 310
*Interstate 310 (1964) (cancelled), spur connecting Houma-area to 10.
*Interstate 410 (1955) (cancelled)
*Interstate 410 (1969) (cancelled)
*Interstate 410 (200?) (proposed), loop around Baton Rouge.
*Interstate 420 (cancelled)
*Interstate 510, spur connecting New Orleans East and Chalmette to 10.
*Interstate 610, New Orleans downtown bypass.
*Interstate 910, only designated by the Federal Highway Administration for the West Bank Expressway, placeholder to become part of future 49.

Proposed
*Interstate 69, entering Texas in DeSoto Parish to the Shreveport - Bossier City area and out the state to Arkansas near Haynesville, Louisiana. Future proposed plans include extending Interstate 69 to Houston and further to the Texas/Mexico border, which will go through north-eastern Louisiana.

References

* [http://southeastroads.com/la_route_log.html Louisiana Highways @ AARoads] (includes a route log)
*Louisiana Department of Transportation and Development, [http://www.dotd.state.la.us/highways/project_devel/design/road_design/state_map.shtml scanned parish maps]
*Louisiana Department of Transportation and Development, [http://www.dotd.state.la.us/planning/maps_classification/Map_Class_Disc.asp Functional Classification Maps]

External links

* [http://www.us-highways.com/la-us.html Louisiana US Highways]
* [http://mdo20.0catch.com/route/la/lasign.html Road Signs of Louisiana]