No Driving Gloves

Origins of the Yellow LightThe origin of the yellow caution light is somewhat ambiguous. A narrative exists crediting William Potts, a Detroit policeman, with integrating a yellow light into traffic signals on November 20th, 1920, to indicate an impending change. However, it is also on this date in 1923 that Garrett Morgan's patent emerges, adding to the historical puzzle.Policeman William Potts engineered the first three-color traffic signals to address Detroit's early automotive era. Red light violations became increasingly problematic due to congested streets filled with cars, horses, and carts. Officer Potts introduced an intermediate warning phase now universally recognized as the yellow light. This innovation was subsequently integrated into global traffic systems.Today Commemorates a century since Garrett Morgan's patent for his traffic signal—a precursor featuring a cautionary phase allowing all directions to stop—highlights this enduring challenge. Morgan's innovation aimed to curb impatience among m