But once we do have an understanding of what the real duration is, that can help us make the difference between deciding to go, or deciding to stop when the light turns yellow.
So, that when we are driving towards an intersection and the light turns yellow, we can make a much more accurate prediction of when the light is going to turn red, and therefore, whether we should stop sooner, if the duration is going to be short, so that we don't have a red light violation, or that we can continue through and have a smoother ride if it's going to be up longer. I think that's just a great example of how different parts of our system work together to produce a solution that's ultimately better for our users and for the safety of our system.