Non-Corps hurricane structures - contact info
http://www.mvn.usace.army.mil/pao/response/nc2.asp
Maps of USACE Hurricane Levees in NO (this info is published by USACE and is online)
http://www.mvn.usace.army.mil/pao/response/amaps.asp
Parish Homeland Security &
Emergency Preparedness Offices
http://www.mvn.usace.army.mil/pao/response/parish.asp
Road Closures (not sure how updated these are)
Louisiana
http://www.lsp.org/roadandincident.nsf
Alabama
http://www.dot.state.al.us/closures/
Mississippi
http://www.mdot.state.ms.us/