In 1914, an African-American invented a safer traffic signal: How Garrett Augustus Morgan changed road safety after seeing a horrific crash

Garrett Morgan transformed road safety after witnessing a serious traffic accident involving an automobile and a horse-drawn carriage. His three-position traffic signal, patented in 1923, introduced an all-directional stop that reduced collisions and made intersections safer for both drivers and pedestrians. Beyond traffic management, Morgan also invented an early gas mask and became known for innovations that continue to influence everyday life.

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