ITE National Capital Luncheon Webinar
Ottawa Area (Virtual) Ottawa, ON, CanadaDiverging Diamond Interchanges – A Decade of Lessons Learned Diverging Diamond Interchanges, or DDIs, are a relatively new interchange that has greatly expanded in prominence over the past fifteen years. The first DDI in the US opened in 2008 and opened with little fanfare though it would draw hundreds of visiting engineers to tour it […]