How about "friends don't let friends ride in door zones"
2011-06-24 00:58:47
New York cycling org has badges to show off how you ride and is taking submissions.
http://www.transalt.org/files/newsroom/streetbeat/2011/Jun/0623.html
Friend of mine came up with these:
How about "friends don't let friends ride in door zones"
Badges, we don't need no stinkin' badges... oh wait, those are cool!
I Share the Road? Yeah, that will work. How about "I Am No Gutter Bunny."