Engineering, 25.01.2021 20:40 janilaw1

A horizontal curve of a two-lane undivided highway (12-foot lanes) has a radius of 678 feet to the center line of the roadway. An old building (sight obstruction) is located 30 feet from the edge of the innermost lane. The road is level and the superelevation is 0.06. Please determine the maximum speed for safe vehicle operation on this horizontal curve.

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A horizontal curve of a two-lane undivided highway (12-foot lanes) has a radius of 678 feet to the c...

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