Future I-49 South
Official Louisiana Department of Transportation and Development website for the extension from Lafayette to New Orleans.
Future I-49, Lafayette to New Orleans
Unofficial page on this extention. Photos included.
I49 South
Promotes the planned southern extension of Interstate 49 from Lafayette to New Orleans.
Lafayette Metropolitan Expressway Commission
Official website regarding plans to build an expressway in the vicinity of the city. Includes meeting information.
Louisiana Interstates
History and some future plans.