SAN ANTONIO — They are at the heart of our roadway system, but what does it take to make a traffic sign? We stepped inside the City of San Antonio Sign Shop to meet the people behind those lifesaving ...

One way to improve how drivers react to street signs? Make them look more dynamic. A group of researchers from the University of Michigan and Brigham Young University used eye-tracking technology to ...

BERKELEY, Calif. (KGO) -- Caltrans tested a new system in Berkeley Thursday to help keep traffic moving on Interstate 80. The I-80 SMART Corridor Project aims to improve traffic in one of the most ...

Richard Shaw does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...