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\section{Introduction}  Canada has a per capita accident rate -twice- as high as Sweden.  Roundabouts might arguably be one of the best types of road infrastructure for direct comparison of road user behaviour and driving culture between North America and Europe. Although a relatively new phenomenon in North America, roundabouts are one of the few types of road designs with near identical geometric and aesthetic features in both North America and Europe. This is not surprising as the North American roundabout design is heavily influenced by European roundabout design. Incidentally, the European roundabouts studied in this paper are relatively new compared to other areas of Europe and the comparable Québec roundabouts are at least ten years old.      Studies of various cultures by country: speed limits, accident rates.  Canada has a per capita accident rate -twice- as high as Sweden.