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yParticle t1_jdrtlqg wrote

tl;dr red faded quickly until more durable enamel paints became available in the 1950s

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eaglescout1984 t1_jds96bz wrote

It's also interesting to note the octagon shape stop sign is the most universal road sign. It's standard for the US, Canada, Vienna Convention countries, and a whole host of countries that use a different international agreement or are independent.

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sigaven t1_jdsbqpx wrote

There’s still a couple of old style yellow stop signs in my neighborhood.

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1990ma71 t1_jdt4ot0 wrote

They also used to have reflective beads over the letters to make them more visible at night.

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