How Two U.S. cities will KICK OFF their rail transit revolution https://www.youtube.com/watch?v=eRLMtmWwAsE Dallas is part of a much larger urban area.
https://www.mylifeelsewhere.com/city-size-comparison/phoenix-c3944/dallas-c3890
https://www.chase.com/personal/mortgage/cityvscity/phoenix-dallas
https://www.mylifeelsewhere.com/city-size-comparison/dallas-c3890/phoenix-c3944