Let’s make safer roads compulsory.
We don’t really need to change the law. Just give unlimited resources and lots of land to the road designers. Their record is really good:
Road deaths for mile travelled have crashed since the mass adoption of the automobile and with the building of ever-safer roads.
The best ones look like this:
To understand why we built car dependence on the scale we did, know that road builders have been using safety as a justification for Motordom for over a century. After all, lives depended on it.