Quote Originally Posted by speedminded
A normal intersection the last time I checked was up to $250,000+...depending on the size and complexity of the intersection. I'm sure these lights would be considerably less considering it's essentially only 1 sensor vs. at least 4 not including turn lanes.

I don't recall sensors be layed at the end of the onramps or in the freeway/expressway/highway lanes so I'm sure they are tied into the Georgia Navigator camera radar system to determine the flow...
they are putting sensors on the onramps just to let you know