<Li> <P> Typical set of traffic lights in East Lansing, Michigan </P> </Li> <P> Typical set of traffic lights in East Lansing, Michigan </P> <Li> <P> Typical example of traffic lights mounted on a wide street in California </P> </Li> <P> Typical example of traffic lights mounted on a wide street in California </P>

Where was the first traffic light in the usa installed