TIL American stop signs used to be yellow. This was because red dye on signs would fade over time and yellow was a bright enough colour to catch driver's attention and was visible at night. They became red in 1954 when a fade resistant dye was created.

junho 28, 2021

TIL American stop signs used to be yellow. This was because red dye on signs would fade over time and yellow was a bright enough colour to catch driver's attention and was visible at night. They became red in 1954 when a fade resistant dye was created.

TIL American stop signs used to be yellow. This was because red dye on signs would fade over time and yellow was a bright enough colour to catch driver's attention and was visible at night. They became red in 1954 when a fade resistant dye was created. https://www.zumar.com/blog/evolution-american-stop-sign GTB2000 June 28, 2021 at 04:02PM

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TIL American stop signs used to be yellow. This was because red dye on signs would fade over time and yellow was a bright enough colour to catch driver's attention and was visible at night. They became red in 1954 when a fade resistant dye was created.

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