In a long phone conversation with my non-bike-understanding sis-in-law, I discovered (among many other things) that her awareness of the fact that I ride a bike ON THE ROAD has made her more aware of bikes and more respectful of them. I guess she wouldn't want to face the family if she squashed me flat.

So, as much as we complain about the pickup driving crowd (my family generally), they are teachable. I know at least two drivers (SIL and bro) who now give us on bikes at least a little respect.

Moral of story:
Um, I dunno. Maybe something about putting a human face on both cyclists and drivers. And respect.