What if you could teach a computer to recognize a zebra without ever showing it one? Imagine a world where object detection isn’t bound by the limits of endless training data or high-powered hardware.

For six years, Harrisburg has been trying to reduce the number of people seriously hurt or killed on its streets through a program known as Vision Zero. Harrisburg’s policy was put into motion by ...

Portland first adopted the Vision Zero approach to ending traffic fatalities and serious injuries on city streets in 2015. In the decade since, hundreds of people have died in traffic crashes in ...