Traffic light icons are street light (red/yellow/green light) icons at an intersection. If you have license (.lic or .lyc) to see it, it will show.
This is not the Speedcam icons (such as the redlight camera or speed+redlight camera)
They will not be available at every intersections. But enough to annoyed visually when zoomed out.
People are asking how to remove/hide it too often, so here are some solutions
Spoiler: Option 1
Spoiler: Option 2
Spoiler: Option 3
Spoiler: Option 4
Note that the following will not impact "traffic light icons"
Spoiler: Worthless
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