With support from Brown economist Emily Oster, senior Benjamin Moshes and his brother developed a website that visualizes the ...

Traffic management in dense urban areas is an extremely complex problem with a host of conflicting goals and challenges. One of the most fundamental of those challenges happens at an intersection, ...

Cleveland’s Garrett Morgan did. His 1923 design improved road safety, and his legacy still impacts drivers globally today.

Who invented the traffic light? The answer leads right back to Cleveland and the legacy of Garrett A. Morgan. Morgan, the ...