This series of articles is specific to Dallas-Fort Worth, but surely other areas/metros can relate.
http://www.dallasnews.com/news/transportation/20150731-highway-name-games-saddle-dallas-fort-worth-corridors-with-multiple-monikers.ece
http://www.dallasnews.com/news/transportation/20150731-graphic-a-look-at-north-texas-highway-names.ece
http://www.dallasnews.com/news/transportation/20150731-diversity-is-lacking-in-naming-of-dallas-fort-worth-highways.ece