TIL that before 1954, stop signs used to be yellow with black lettering. This was because there was no red dye that would not fade over time. However, by 1954, sign makers began using a fade-resistant porcelain enamel, and it was declared that stop signs would be red with white lettering.
TIL that before 1954, stop signs used to be yellow with black lettering. This was because there was no red dye that would not fade over time. However, by 1954, sign makers began using a fade-resistant porcelain enamel, and it was declared that stop signs would be red with white lettering. https://www.rd.com/culture/yellow-stop-signs/ CigaretteNightmares May 31, 2020 at 03:24AM
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