Question: A freeway exit ramp has a single lane and consists entirely of a horizontal curve with a central angle of 90 degrees and a length

A freeway exit ramp has a single lane and consists entirely of a horizontal curve with a central angle of 90 degrees and a length of 628 ft. if the distance cleared from the centerline for sight distance is 19.4ft, what design speed was used?

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To determine the design speed used for the freeway exit ramp we need to use the concept of a horizontal curve and apply the formula for sight distance ... View full answer

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