Jeff McMurray

Transportation officials have spent the past few years refining a system in which radio transmitters inside commuter buses talk directly to the traffic signals in the Salt Lake City area,...

Researchers are exploring ways to use features in modern cars, such as GPS, to make traffic safer and more efficient. Eventually, the upgrades could do away entirely with the red,...

A dramatic rise in accidents killing or injuring pedestrians and bicyclists has led to a myriad of policy and infrastructure changes, but moves to ban right on red have drawn...