The seasonal traffic control measure will operate fully from May through October, reverting to flash mode during winter ...

Some traffic light controllers upload that data to UDOT’s servers in real time; in others, they upload it every 10 or 15 minutes. That’s a lot of data when you multiply it by the 2,000 or so ...

There are hundreds of thousands of traffic lights in the U.S. alone, but 75 percent of those lights need to be upgraded or replaced. Those upgrades could (and should) ...