DRIVING : You’re Driving Yourself Crazy

The University of Michigan’s Transportation Research Institute has performed some heavy analysis on the nation’s motoring psyche.

In lighthearted precis, consider yourself aggressively antisocial if you:

* Believe posted speeds are for traffic survival school probationers while you drive more than 10 m.p.h. over the limit.

* Pretend you are racing at Le Mans, passing on the right or flashing headlights to make other drivers move over.

* Do a Fred Astaire by dancing across several lanes, usually without signaling.

* Relive days as a high school blocker as you accelerate and prevent other motorists from changing lanes.

* Play Tommy Tailgate, particularly when on the bumper of elderly ladies.

* Yell or extend one-digit greetings to fellow travelers.

* Try to squeeze your 16-foot car into a 15-foot hole in another lane.

If guilty of most of the above, notes a Michigan researcher, you may be sociopathic.

Or, Angelenos might note, you might be a typical survivor of rush-hour commutes on the Santa Ana Freeway.