The worst drivers on US roads are

The demonstrably worst drivers are 1) Beemer pilots, 2) Volvo drivers of the mom demographic, 3) jacked up pickemup trucks with trucknutz idiots and 4) minivan drivers. Lately the ecophreaks driving Prii are making a *strong* showing. But I suspect that is either the dope or the conversion of #2s to Prii.

Discuss.