https://thenextweb.com/dd/2018/05/30/this-api-can-predict-the-state-of-traffic-lights-across-a-city/

Traffic lights are society’s equalizer. Rich or poor, you’ve got to wait for them to change. Waiting in a static line of diesel-spluttering SUVs on a warm summer day is just one of those universal experiences that everyone can relate to.

But what if you could predict the state of traffic lights, and navigate accordingly, in order to minimize time spent waiting for a red light to change?