Ambulances move differently than other vehicles. That is something that everyone already knows. When they need it, it is essential that they get to where they need to be as quickly as possible. Also, if it is an ambulance, you will need to get to the hospital so that the patients on board receive the necessary care. But for this they need a fast lane, in which they can travel quickly and without delay.
This hardly exists in many parts of the world, so the technology you have to help create these fast and clean routes on as many routes as possible.