To provide a temporary waiver from certain transportation conformity requirements and metropolitan transportation planning requirements under the Clean Air Act and under other laws for certain areas in Louisiana affected by Hurricane Katrina, and for other purposes.

[AI summary unavailable — showing source text] Exempts transportation projects, programs, or plans for the parishes of East Baton Rouge, West Baton Rouge, Livingston, Ascension, and Iberville, Louisiana, through FY2010, from Clean Air Act requirements prohibiting a federal agency from providing financial assistance or support for, or a metropolitan planning organization (MPO) from approving, a project or activity that does not comply with state implementation plans for national primary and secondary ambient air quality standards. Excludes from such waiver (thus keeping applicable) certain regulations relating to federal and state interagency consultation procedures. Exempts the Louisiana Capital Region Planning Commission, through FY2010, from certain MPO requirements.…