- 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 toSlidell , New Orleans bypass
*Interstate 20, north Louisiana's east-west artery, incudes cities ofShreveport andMonroe, Louisiana .
*Interstate 49, Lafayette toShreveport , expansion of 49 south to New Orleans, replacing part ofU.S. Highway 90 , and north toTexarkana ,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 aroundBaton 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 theFederal Highway Administration for theWest 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 toArkansas nearHaynesville, Louisiana . Future proposed plans include extendingInterstate 69 toHouston and further to theTexas /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]
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