"Charles Circle" refers to the area bounded by the Esplanade and hospital, which is currently dominated by roadways. According to OSM documentation, "square=place" is a valid tag for a feature of this type. I would not shift the tags to the roadways, and I recommend we close this note. 

https://static1.squarespace.com/static/5015af74c4aa0c0d0329128f/t/557f6e78e4b0469793511a04/1434414712059/Charles+Circle+-+Moody+2015+web8.pdf