If there's a chain link fence in front of me, I climb it and escape.
If there isn't, I grab a crowbar, and take down the zombie Gordon Freeman style.
You wake up to find out that the government is after you, but luckily they won't be able to locate you for at least 3 days.
Oh and if you go somewhere which req. ID, aka, airport, credit card etc., you're screwed.
What do you do?
And the town you live in is completely devoid of people.