Most of those traffic control signs are left unlocked. And the password is usually 1234. Otherwise, it's normally written in the manual which is on the inside of the access door.
Hey guys! I thought I'd post some images of a character I've been working on for some crits. Thanks! http://imageshack.us/photo/my-images/254/wipnd.jpg/
blender's LSCM unwrapping tool will have live feedback in the next release (2.4) it looks pretty handy: http://orange.blender.org/wp-content/themes/orange/images/media/lscm_live.mov
Here is a quick Scene i built in UDK the poly count for the whole project is 23K quads. Used 4X1024 and 2x512. (everything in the scene is mine excluding the skydome.) juannuno3d.com