A horizontal curve is being designed for a new two-lane, Ask an Expert

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A horizontal curve is being designed for a new two-lane highway (12-ft lanes). The PI is at station 250 + 50, the design speed is 65 mi/h, and a maximum super elevation of 0.07 ft/ft is to be used.

If the central angle of the curve is 38 degrees, design a curve for the highway by computing the radius and stationing of the PC and PT.

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