america 2050's article included maps showing the urban megaregion predicted in 2050. the megaregions are the largest networks of metropolitan areas, and there are at least ten identified in the US so far. the urban megaregions are classified by future growth and rapid population along with climate change, foreign trade, land use patterns and other characteristics. denver is part of the front range megaregion, which is the fastest growing in the US. this article includes a map of the urban megaregions connected by potential high-speed rail links. we are excited that denver is a part of this future development!