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Crossings? It is my belief a HSR system would be devoid of crossings, similar to an interstate freeway. Which is one reason many freeway median strips would make excellent ROW for a HSR system. <br /> <br />This is a very intriguing idea. I understand that freeways have maximum grades and turns radiuses, could a HSL follow these? I think you might run into some trouble, if the median is persevered for lane expansions. This could solve a whole lot of the problem of land, if it is plausible.
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