Is this a nationwide phenomena, or is Austin the only city under attack? Just remember, you can always outrun a zombie. Also, make sure you completely severe the head from the body to prevent the zombie from making a comeback.
For more useful tips on how to survive a zombie apocalypse, I highly recommend Max Brook's Zombie Survival Guide, available at Amazon. (Let's just hope your local UPS delivery man hasn't been zombie-fied yet.)
Sign Hacker broadcasts zombie warnings