A horizontal curve was designed for a four-lane highway for…

A horizontal curve was designed for a four-lane highway for…

A horizontal curve was designed for a four-lane highway for adequate

SSD. Lane widths are 12 feet, and the superelevation is 0.06 and was set assuming maximum fx. If the necessary sight distance required 52 feet of lateral clearance from the roadway centerline, what design speed was used for the curve? Answer is mi/hr.

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