It was influenced by budget, plus the clover leafs will interact with a pair of diversion lanes, not the main southbound travel lanes. So even without flyovers this should be a bump up in capacity, they will be interacting with a much lower trafficked lane, and if I recall correctly will be a longer merge zone too. The traffic on them is not that severe, the biggest issue for years on the ones that will remain cloverleafs has been how many people stop at the yield sign exiting southbound to eastbound when it was unnecessary, then are hesitant to go, creating a line several cars deep.
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