Yeah, that are exactly the arguments used by companies selling "Intelligent Transportation Systems". After deployment: surprise - there aren't any noticeable ch

Yeah, that are exactly the arguments used by companies selling "Intelligent Transportation Systems". After deployment: surprise - there aren't any noticeable changes, except for places that are performing worse and require manual tweaking. Also the best way to reduce traffic in city is to reduce vehicle flow into the city which only moves jams to other places.