But on March 27 the shift change in hospitals across New York City was also met by the sounds of applause, car horns and shouts of " thank you! " ringing out from high-rise windows and apartment balconies.
Now Waymo, the company that makes these driverless taxis, says they are working on a solution to what's making these taxis keep honking at each other day and night.
Older people who drive a little slower than the fast-paced younger drivers are harassed by the honking horns, flashing lights, and hand gestures of more youthful drivers.
Drivers in the downtown area stopped their cars and sounded their horns, while pedestrians paused for a minute of silence in remembrance of the victims.