Effect of Signing and Lane Markings on the Safety of a Two-Lane RoundaboutStatus: CompleteReport Date: 01/27/2014 Summary: This report presents a study of the impact lane markings and signing have on driving behavior at a two-lane roundabout located in Richfield, Minnesota. After its completion in 2008, this roundabout sustained a suspiciously high amount of crashes. In response, through this study, engineers experimented with changes in the roundabout's signs and lane markings, as roundabout design regulations are relatively lax and nonspecific in contrast to those for standard signalized intersections. Final Deliverables: Report #2014-04 Research Summary Related Materials: Related Research: