https://finance.yahoo.com/news/ubers-grand-plan-flying-cars-faces-major-obstacle-184748625.html

“We need to handle a lot more air traffic flying over cities than has ever been done before,” Holden said. “We need a foundational reboot of the air-traffic system.”" data-reactid="19">“We need to handle a lot more air traffic flying over cities than has ever been done before,” Holden said. “We need a foundational reboot of the air-traffic system.”

Uber plans to do that by putting its UberAir operations into an existing NASA project to open up the nation’s airspace to drone traffic called UTM (for Unmanned Aircraft System Traffic Management). But UTM is still far from completion, and Uber’s piloted vehicles will be far larger and heavier than any drone. " data-reactid="20">Uber plans to do that by putting its UberAir operations into an existing NASA project to open up the nation’s airspace to drone traffic called UTM (for Unmanned Aircraft System Traffic Management). But UTM is still far from completion, and Uber’s piloted vehicles will be far larger and heavier than any drone.