noun
reckless driving based on optimistic assumptions
Driving while assuming 'it'll probably be fine' (だろう), ignoring potential dangers. Often used in traffic safety contexts. Compare with かもしれない運転 (defensive driving assuming 'it might happen').
See also: かもしれない運転
だろう運転は事故のもとです。
Reckless driving based on optimistic assumptions is a cause of accidents.
安全運
For safe driving, stop driving with optimistic assumptions and try to drive defensively, anticipating potential dangers.