It’s been guiding road design for decades—and it never measured what really matters. If you want to understand how even ...

RALEIGH, N.C. (WNCN) — It’s one of the key components on our roads that helps keep us both safe and moving—we’re talking about the traffic signal.

Whether it’s continuously starting and stopping your car in the concertina motion of heavy traffic or standing pressed into a stinky armpit on the subway, moving around the city can be maddening.

In the future, emergency workers could be sent to those locations during an evacuation to keep traffic moving. Longer term, city planners could consider widening the roads in those areas, or ...

Luckily, there isn’t much traffic. You are zipping along at the allowed posted speed of 65 miles per hour, and admittedly juicing things a bit by going perhaps five to ten miles per hour faster.