"Yes - definitely needed.
As John says below - drivers need to be at the bottom of the totem pole.
Professional drivers are held to a higher standard. Its far past time to legislate and educate that level of understanding of responsibility,…"
"Where do you stop?
The only way to completely prevent this sort of thing is to barrier off paths and roads entirely.
None of the knee-jerk solutions in that article would have prevented this tragedy.
- 0 BAC limit - nope. Driver was drunk.