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Nutbar's Windmill Interchange

Elegant windmill interchange by Nutbar.

A windmill interchange is similar to a turbine interchange, but it has much sharper turns, reducing its size.

Windmill interchanges offer slightly less vehicle capacity because the ramps typically turn more often and change height more quickly. They also require more land to construct than the typical four-level stack interchange.

In areas with rolling or mountainous terrain, windmill interchanges can take advantage of the natural topography of the land due to the constant change in the height of their ramps, and hence these are commonly used in these areas where conditions apply, reducing construction costs compared to windmill interchanges built on level ground.