[mPReDiToR]

If it were taught to the young, as it was when I was a youth, it should become a behaviour aped (consciously or otherwise) by peers.

Putting a token barrier up in city centres wouldn't restrict access, and would help root the distinction even when in other areas.

Yes, of course this isn't a 'magic bullet' to cure fatalities, but it could go a long way to (ready for it ...) curbing them (groan).

Part of a wider plan, and one with many upsides.