The big picture: Google is analyzing data from its maps to suggest how cities can adjust traffic light timing to optimize traffic flow and reduce emissions. The company claims it's already cutting ...

Before the advent of computers, traffic lights were a marvel of mechanical and electromechanical engineering, utilizing timers, relays, and human intervention to manage bustling city intersections.

A cybersecurity researcher has exposed a critical vulnerability in a traffic light controller that could allow attackers to disrupt traffic flow and potentially create gridlock. Traffic controllers ...