Actually, many newer intersections in the U.S. have incorporated the "walking person" picture, and traffic signs without words (symbols only) have become much more common over the years.
Lots more of non-English speakers now.
That makes sense, I mean especially with the non-English speakers. I live d abroad (in Europe) for a while and whilst I could speak enough French and German for general purposes, it was still good that street signs were pretty much self-explanatory, apart from one where I got fined for parking in the wrong place. I didn't realise that the little sign with some numbers on it meant you could only park that side of the road for half the month and the other side for the other half of the month. I mean, there was no 'P' for 'parking' or anything. I went to the local police station to pay the fine (luckily it wasn't a lot), and said I couldn't understand what I'd done wrong, but he didn't bother to explain! But my husband asked some people at his place of work and they explained it fortunately.
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