Well good luck, hopefully it will miss the area.
Here's the Galveston Co. Office of Emergency Mgmt webpage:
http://www.gcoem.org/default.php
Supposedly there is an evacuation map on it somewhere.
Thanks for the link, my Bar manager just suggested we plan on having a hurricane party thrusday or friday, LOL, I told her I'd be closing the bar Thrusday day if Rita is still heading this way.