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Vancouver, with its lack of highways, is one of only a few cities which rely exclusively on surface streets. This fundamental difference makes analysing the effectiveness of some of their transportation infrastructure choices very interesting.
The heavy reliance on a grid roads to move traffic around makes the effectiveness of intersections extremely important. There are three types of intersections used in Vancouver which warrant discussion: four-way signal-controlled intersections, two-way signal-controlled intersections, and pedestrian crossings.