When applicants were told they earned a historical marker at Tipperary Hill’s world-famous green-on-top traffic light, it ...

The residents of Tipperary Hill pride themselves on their Irish heritage. For some families, that looks like passing down ...

A solid green light has meant “go” to American drivers for nearly a century. But […] ...

Red and green traffic lights have been around since the 1800s, when British traffic officers used to rotate gas lamps that burned red and green to control the movement of mostly horse-drawn vehicles.