Here in Boulder County they have installed some type of video system at all the traffic lights. The lights that I always ran because they didn't respond now work as if I'm a car. I was still running them when I started to notice the system was tweaked to see bikes. It works very well. I suppose the system also helps with car traffic congestion by clearing out bottlenecks such as left turners dynamically instead of fixed time intervals. Hopefully this is the future because no matter what anyone claims, many of the old loop sensing systems simply don't detect bike traffic.