Variants
Single quadrant intersections (pictured above) feature a single quadrant road. Double quadrant intersections add an additional quadrant road placed opposite of the other quadrant road. Another variant links grade-separated roads via the quadrant road, typically to bring together a faster road with denser traffic with an overpass (or flyover) over a less traveled, slower road. This design is also referred to as a single-loop intersection.
Read more about this topic: Quadrant Roadway Intersection
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