The typical bus these days usually has 6-8 lights depending on the model. The Thomas Saf-T-Linr C2s tend to vary a bit. Most buses have 3 sets of two at the front, middle, and back. But the C2s from what I have seen have 3 sets of two and one or two extra ones: The first set is offset to one side (right) by the front AC, the middle and back are normal. And then there is one of the driver's seat, and sometimes another one over the stairs-