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Transcript of The Invention of the Stop Sign. The Stop Sign Progress/Changes Made on the Stop Sign 1915 1925 1935 1945 1955 1965 1975 1915- A man named William Phelps Eno invented a white sign with black letters, in Detroit, Michigan. 1922- Realizing the stop sign was so important, an association was formed to make more stop signs.
The Great Sign is the roadside sign used by Holiday Inn during their original era of expansion in the 1950s-1970s. It was perhaps their greatest advertising. It was extremely large and eye-catching, but was expensive to construct and operate. The manufacturer of the sign was Balton & Sons Sign Company.