There are 91 traffic signals in Knox County alone, and the county plans to add more.

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.

One winter morning in suburban New Jersey, Vladimir Dinets stopped at a red light — and saw something he couldn’t believe.

Traffic signals at Third and Market and 11 other downtown intersections are going to be replaced with four-way stop signs, but it won’t happen anytime soon. City Engineer Mike Dolak said Wednesday it ...