That we have been using round traffic lights for ages now, with only the red-amber-green-colors for aid. How about prepping the system and broadening the spectrum of usage (by colorblind people) and change the shape of the lights!
That we have been using round traffic lights for ages now, with only the red-amber-green-colors for aid. How about prepping the system and broadening the spectrum of usage (by colorblind people) and change the shape of the lights!
