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Originally Posted by middeljohn
^^^
Is it really necessary to have controlled access up there?
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Controlled access refers to any method to control traffic, including a highway with level crossings and traffic lights. I think you're referring to grade separation.
That's just a diamond interchange you're seeing there. Fort McMurray's first trombone interchanges were just opened recently. That road is mainly at-grade and not even controlled as many intersections don't have lights. They simply seem to have put in whatever was most adequate for traffic levels.
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