[Melinator2]

Sure it can be done. But are you so intent on trying to dismiss the idea that you are willingly taking the position that even rear brake lights are a waste of time? That is the implication in your post

[Lockbox]

Almost every Community in the United States has a device called a traffic signal. This is a light that is red for stop, Yellow for caution it’s going to turn red and green for go. Yet everyday drivers run a red light killing others.

Distracted driving significantly increases the likelihood of an auto accident. In the United States alone, 25-50% of all auto vehicle crashes are directly related to driver distraction.

You can put all the lights on a car, make them flashing, even add a siren. These will not stop the accidents, just ask firemen, police and ambulance drivers!

The problem is poorly trained drivers who are distracted. Until you fix these issues, nothing will solve the problem. Because if a light on a car would tell a driver to yield then there would not be emergency vehicle accidents.