Since then, there have been questions about the country's underfunded air traffic control systems, deficient radar system and the airlines' ability to cope with a surge in travelers.

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Replacing outmoded radar-based air traffic control with more efficient systems has been possible for decades, but it has not happened.

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Intersections will bristle with cameras, radar and sensors to control traffic flow and prevent collisions.

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Case in point: photo radar traps, specifically, cameras affixed to traffic lights.

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It is set to replace radar in commercial aviation as the next generation of air traffic control systems come online by 2020.

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Super Cruise is designed to ease the driver's workload on the freeway, in both bumper-to-bumper traffic and on long road trips by relying on a fusion of radar, ultrasonic sensors, cameras and GPS map data.

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Mapping nearby features, spotting road edges and lane markings, reading signs and traffic lights and identifying pedestrians is done using a combination of cameras, radar and lidar (which works like radar, but with pulses of light rather than radio waves).

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Ann Marie Brennan, a manager at the air-traffic control office, was quoted in the report, released on August 2, as saying the radar display showed the two planes "pass right over each other".

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The 2012 Audi A7 also offers an adaptive radar-based cruise control system that not only maintains a set speed and distance from the traffic ahead on the highway, it can operate as efficiently in stop and go traffic.

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