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===Partially Unrolled Cloverleaf===
This type of partial cloverleaf is a [[Free-flow interchange|free-flowing interchange]] cloverleaf design. These are often few and far between and are often found in the [[United Kingdom|UK]]. These are often called "Owl" interchanges or "Stack Hybrid" interchanges due to their unique design and their resemblance to [[Stack interchange|Stack Interchanges]]. The difference between the Cloverleaf is this involves removing two loops and replacing it with a ramp and 2 or more bridges. There are 3 of them in the UK and 2 of them found [https://www.google.com/maps/@51.5603281,-0.5323865,15.22z here]and [https://www.google.com/maps/@53.4261703,-2.5585925,1623m/data=!3m1!1e3 here].
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There are B4 designs in [[Alberta]]:
* Deerfoot Trail & 17 Ave in Calgary
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Some parclo B4 interchanges such as the intersection of [[Interstate 40]] and [[U.S. Route 401]] in [[Raleigh, North Carolina]] have been fitted with signals at each ramp meeting the arterial in order to allow more lanes on the offramps. This technique along with the ability to provide two-way signal progression along the arterial allows the parclo B4 to handle an extremely high flow of traffic along the arterial.
=== Other variations ===
[[File:Halfklaverbladaansluiting.png|thumb|upright|A parclo AB2 interchange or folded diamond]]
[[File:Parclo-AB3.svg|thumb|upright|A parclo AB3 interchange (hybrid).<br />Samples: The [[Laurensberg]] interchange in [[Aachen]], Germany {{coord|50.804072|n|6.075574|e}} and US 74/NC 51 interchange near Matthews, North Carolina {{coord|35.125862|n|80.705334|e}} ]]
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