Every day, millions of travelers’ lives are literally up in the air, relying on the acuity of air traffic controllers to orchestrate high-speed maneuvers and help prevent aircraft from crashing.

You can report a problem with traffic lights or signals by using the online form. You will be asked to provide details about the location of the traffic lights and information about the type of ...

Perhaps the most common graph theory problem is that of the Travelling Salesman Problem (TSP), which is somewhat like Euler’s original seven bridge problem, but instead asks for a traveller (a ...

The bottom line: Many of the nation's air traffic controllers have been making things work with relatively little — but it's clearly time to get serious about fixing the problem.

Traffic congestion is a serious problem in the Greater Cairo Metropolitan Area (GCMA) with large and adverse effects on both the quality of life and the economy. The study was intended to conduct a ...