Here are Bama, Florida, Louisiana, and Mississippi.
Alabama Department of Transportation: Emergency Road Closures
http://www.dot.state.al.us/closures/
Alabama Department of Transportation: Press Releases: Hurricane Katrina
http://www.dot.state.al.us/Docs/Bureaus/Public+Affairs/
Louisiana DOT:
http://www.dotd.state.la.us/roadclosures/default.asp
Search form:
http://www.dotd.state.la.us/roadclosures/search.asp
Mississippi DOT Web Site:
http://www.mdot.state.ms.us/
Realtime Traffic for Mississippi:
http://www.mstraffic.com/upgrade/default.aspx
Florida: http://www.eoconline.org/welcome.nsf?Open
http://www.eoconline.org/EM_Live/roadstat.nsf
Great info - thanks