At least in Germany it seems that people routinely drive 100km/h on the same road as people doing 250, and they have fewer fatalities per passenger mile than we

At least in Germany it seems that people routinely drive 100km/h on the same road as people doing 250, and they have fewer fatalities per passenger mile than we do in the US. I would guess it has something to do with the strict adherence to the keep right/pass left rule.