Reminds me of the old Highway 17 Page of Shame (http://
www.metroactive.com/papers/metro/05.30.96/shame-9622.html) a Web 1.0
version of the MFFYcam whose author took to carrying  a camerain his
carpool commute  along that notorious Bay Area freeway.

It probably did no good -- even if the offenders saw it, their ego and/
or obliviousness probably kept them from getting the point.  But those
who think of driving as a craft in which to take some pride, or at
least as a public act that should be performed politely, got a kick
out of it.

Reminiscent of a favorite from the two-lanes (it can occur on the
freeway but is a lot easier to deal with there):  someone who puts
forth great effort and takes large risks to pass you, then goes
*slower* than you'd  been going.

And then there are  the plain old death merchants.  An all-time
candidate  (though it would have been hard to get a good picture from
my standpoint even if I'd had a camera and a passenger to run it)
occurred  on eastbound I-40  a bit east of Needles, CA several years
ago.    About a half mile ahead of me, some clown in a passenger van
that had been standing on the right shoulder got a wild hair up his
butt and pulled out to pull a U-turn across the median... with the
foremost of the people *ahead* of me so close to him that they didn't
even have time to brake.

Fortunately, the one good decision he made was to perform this
perfectly volitional, optional, and moronic  maneuver with a decent
amount of acceleration, so I merely  got new insight into some already
well formed opinions of my fellow motorists, instead of being first
responder at a 75-mph side-impact meatball.  The drivers ahead of me
may have aged a few years within a split second, though...

--Joe