At least one city is working on this, no AI needed: http://www.houstonchronicle.com/news/houston-texas/houston/article/Traffic-light-timing-keeps-congestion-in-

At least one city is working on this, no AI needed: http://www.houstonchronicle.com/news/houston-texas/houston/article/Traffic-light-timing-keeps-congestion-in-sync-4551668.php http://www.houstonchronicle.com/news/houston-texas/houston/a...