>They either involve implementing technical solutions or preventing humans in certain conditions from driving at all. I disagree, they facilitate (signs, marki

>They either involve implementing technical solutions or preventing humans in certain conditions from driving at all. I disagree, they facilitate (signs, markings), persuade (public awareness campaigns) and incentivize (DUI penalties) "doing better". Arguably road design, markings and signage are a technical solution but the humans involved are heeding them of their own free will. It's not like an airbag that goes off based on certain criteria regardless of how you feel about the matter.