What invention patented in 1923 provided automated control over road junctions in response to trolley and car accidents?
Answer
Traffic signal
Garrett Augustus Morgan patented the traffic signal in 1923, which was a vital safety innovation providing automated control over road junctions following accidents involving trolleys and cars.
Related Questions
When did Mesopotamian artisans invent the wheel, marking the first major breakthrough in land transport?By what year had the Romans established extensive systems of paved roads?What power source was key to ushering in the era historians term the transportation revolution during the Industrial Revolution?Which inventor is recognized for the first commercially successful steamboat, the *North River Steamboat*?What vital invention did Elijah McCoy create in 1872 to allow trains to run for longer periods without stopping for manual oiling?What invention by George Stephenson won the Rainhill Trials in 1829 and set the standard for future steam engines?What manufacturing technique, introduced by Henry Ford for the Model T, made the automobile widely accessible?Which invention in 1887 allowed trains to communicate with each other, enabling safer, more frequent scheduling?Who achieved the first motor-driven airplane flight in 1903?What invention patented in 1923 provided automated control over road junctions in response to trolley and car accidents?Which application uses crowdsourced, real-time data to alert drivers to hazards and traffic jams in the digital era?What future land transport concept seeks to overcome air resistance and friction using vacuum and magnetic levitation?