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I found the answer by just look it up. Thought to share this questions for practice purposes. hopefully your answer will match mine. The minimum width of a pedestrian detour, for ADA compliance, is _ inches a) 12 b) 24 c) 36 d) 48

A curve of radius 340 feet, side friction factor, fs = 0.16, and super-elevation of 8% is located at a section of an existing rural highway, which restricts the safe speed at this section of the highway to 50 percent of the design speed. This drastic reduction of safe speed resulted in a high...