The fragile state of the U.S. air traffic control system was easy to see during the recent outages in Newark. But it will be a lot harder to make up for decades of underinvestment and other mistakes.

As hundreds of thousands of people reveled in Philadelphia’s car-free city center during Pope Francis’ visit in September, the City of Philadelphia was rolling out a high-tech traffic control center ...

In 1967 IBM delivered the prototype of the National Airspace System (NAS) En Route Air Traffic Control system. ... Denver Post via Getty Images. In 1967 Lyndon Baines Johnson was president.

Colourised images of the world’s first air traffic control tower have been released by UK air navigation service NATS to mark the centenary of the tower’s commissioning at London’s former ...