This is why I do not use highways. I route myself with GPS to avoid highways because I just assume at some point I WILL get hit by some idiot, and I’d rather spend an extra few minutes driving and crash at 45mph than crash going 70mph. The amount of difference that makes is hard to put into words. Kinetic energy increases disproportionately with speed. So 70mph is like almost 3x as bad as 45mph.