> It's like saying there should be zero car fatalities.

https://www.politico.eu/article/helsinki-no-traffic-death-ro...

"Helsinki hasn’t registered a single traffic-related fatality in the past year, municipal officials revealed this week."

"The limits were enforced with 70 new speed cameras and a policing strategy based on the national “Vision Zero” policy, with the goal of achieving zero traffic injuries or deaths. Data collected by Liikenneturva, Finland’s traffic safety entity, shows Helsinki’s traffic fatalities have been declining ever since."

That's one city, for one year. Their rate of traffic fatalities is still above zero, I guarantee you.