> Federal officials recognize that the current centralized system of air traffic management won’t work for drones: at peak times today, US air traffic controlle

> Federal officials recognize that the current centralized system of air traffic management won’t work for drones: at peak times today, US air traffic controllers actively manage only about 5,400 en route aircraft. Concept: routes above roadways up to 200 feet, administered locally, with some kind of payment structure.