In the U.S., the standard is to stick the lights on the opposite side of the intersection, and paint a big white line so you know where you're supposed to stop your car. The lights are far enough away that they're easy to see, and you're heads-up and paying attention to what's going on in the intersection. Seems very much more sensible.
I just came across an instance in the States where there actually *is* a lamp just for the car at the line, while the rest of the line gets to see the main one. Freeway metering lights.
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