The average "good" driver is likely the p90 though. 60% of US drivers survey to using a hand held cell phone while driving. an intersection, but not exclusive

The average "good" driver is likely the p90 though. 60% of US drivers survey to using a hand held cell phone while driving. an intersection, but not exclusively 30% of US drivers survey to driving under the influence of alcohol in the last year; and that's generally excluding "buzzed"/under the legal limit - which may be lawful - but likely take one out of the "good" category. Then you have medical conditions that go unchecked for driving in the US, peripheral vision, far-sightedness checked once a decade, reaction time, physical disabilities. Then you have following too closely, speeding, accelerating too quickly, braking too quickly, taking turns too quickly, vehicles lacking maintenance (tires with little tread, inappropriate tread for roads, brakes not bled every ~2 years, lights out, suspension unchecked, carolina raised trucks) Finally, you can add in US infrastructure, which traditionally maximizes speed and minimizes safety -- and generally gets a C-.