We can learn the secrets of smooth traffic flow by watching fire ants Study: 30 percent of ants in a colony do 70 percent of the work. That's a good thing.

Robotic vehicles can optimize the flow of traffic in cities even when mixed in with vehicles driven by humans, thereby improving traffic efficiency, safety, and energy consumption, my colleagues ...

“When the traffic change is in effect, the focus is traffic flow, and so traffic is moving and flowing during the times that it’s in effect for a.m. and p.m.,” Twiname said.