It’s hard to tell. Aichi has the highest private vehicle ownership in Japan per capita and in total, but people still commute using the train. About bicycles:

It’s hard to tell. Aichi has the highest private vehicle ownership in Japan per capita and in total, but people still commute using the train. About bicycles: In Japan hitting something with your car is an offense in itself. So, even if a cyclist or pedestrian is breaking traffic rules, if you hit them you will be liable to pay between 10-100% of their medical costs+damages.