And, since it’s Calgary, at the ribbon-cutting were all presented with commemorative belt buckles inaugurating them as the builders of “Canada’s first DDI” (diverging diamond intersection). As highway infrastructure goes, the diverging diamond intersection is surprisingly young. The first diverging diamond freeway intersection opened in Springfield, Missouri in 2009, and soon eliminated mile-long queues that had haunted the previous intersection. Springfield’s diverging diamond was soon dubbed the “wave of the future” and more than 60 U.S. intersections have since followed suit. The diverging diamond is also Pedestrians and cyclists, meanwhile, are funneled through a protected path running through the center of the intersection.

Source: National Post August 15, 2017 20:11 UTC