The article explains why they made the decision not to do a traditional dog-bone interchange with two circular roundabouts. Namely, there were right of way limi

The article explains why they made the decision not to do a traditional dog-bone interchange with two circular roundabouts. Namely, there were right of way limitations and a need to incorporate heavy farm trucks making a left turn. So, they ended up with basically 1.5 roundabouts which represents a simplification over the dog bone.