To help enforce road safety some cities in the USA and the city of "West" Vancouver are giving optical illusion a try, might it deserve attention here?
They’re must be designed to gain your attention long enough to quickly cause you totobey the speed limit.
These optically created speedbumps, or “virtual humps” are written about in the above linked NYtimes article.
Really love this one below.
It's an interesting innovation; however, once the locals get used to it, they won't slow down. Others behind them might not do so, either.
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