I'm with Wastrel - where are these streets? Are we missing out on some spots?
As far as the cams - and not really understanding where you noticed them - they do have some traffic controlling cams that activate the lite changes in some parts of town now. Where is this "new place"?
I'm sure they use emergency over-rides and also monitor the traffic flow as well as would be transmitted to traffic contollers which would explain the antenna.
