Or 42 000 people dead in traffic accidents (in the US year 2020), most of this preventable, eg by middle of the road separation barriers or separate bike lanes.

Or 42 000 people dead in traffic accidents (in the US year 2020), most of this preventable, eg by middle of the road separation barriers or separate bike lanes. Most of the public doesn't care or understand, neither do the politicians. Not interesting to fix because no one intentionally did anything bad? And, spending time on this won't win any elections?