You are cruising along when all of a sudden your car beeps. No traffic nearby. No lane changes. No obvious danger. It feels random and annoying. To most drivers, this behaviour appears to be some sort of computer malfunction, but it’s not….

Hazards on the Valley’s Highways Phoenix is one of the fastest‑growing metropolitan areas in the United States, and its road network has struggled to keep pace. With sprawling suburbs, long commutes and extreme weather, drivers face numerous challenges that lead to collisions….