Knox County traffic engineers Grady Owen and Alan Childers use technology to optimize local traffic signals and improve road safety and efficiency. Here's how.

According to Harkreader, workers perform the preventative work on traffic signals about every three months to make sure they're functioning properly.

Mobile, Ala. — Work to remove traffic signals from select downtown intersections will begin on Monday, August 11, as part of a multi-year street optimization effort aimed at making downtown ...