Efforts to fight congestion by centralizing traffic lights could also make roads more dangerous for walkers
Minneapolis confronts bad traffic with cost-effective technology and a transit-first philosophy
This winter, Colorado highway officials will institute "rolling speed harmonization" to ease congestion
One of New York City's most traffic-plagued neighborhoods gets a remake
A new study makes the fundamental case for congestion pricing
Traffic calming and bike lane projects are helping cyclists avoid traffic on major roads
More than 40 percent of congestion delays occur during off-peak hours
Houston and L.A. recently turned theirs off. Will others join them?