Tulsa Flag Canvas Print
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In 1950, the world’s first yield sign was posted at the corner of First Street and Columbia Avenue in Tulsa, Oklahoma . Before the sign was introduced, this intersection was considered one of the most dangerous in Tulsa. Officer Clinton Riggs, a Tulsa native and police officer, had begun developing a sign that he hoped would alleviate these problems. He also wanted to assign clear blame in the event of a collision and hoped his sign would make liability clear.
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