All drivers can relate to the annoyance of a stop light that stays red way longer than you feel like it should. We naturally progress from annoyance at when the light will change to some level of being convinced that the light has stopped working correctly and we will never get to go. BMW has created an app that works in a few cities and will display on the infotainment screen in its cars.

The app is called EnLighten and its sole purpose is to show you when a light is going to change. The idea is that if you know how long the light will remain red, you can turn the car off to save fuel and reduce emissions. BMW also figures that if you know how long the light will be green you can avoid accelerating hard in an attempt to avoid stopping.
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https://www.slashgear.com/enlighten-app-from-bmw-shows-you-how-long-the-light-will-stay-red-03395309/