Horizontal Curve Problem- A field measurement of an existingtwo-lane curved roadway (horizontal curve) indicates that the chordlength (C) for the inside radius of the road (roadway edge line) is312.5 ft and the distance from the middle of the chord to theroadway edge line 25 feet. The road has 28 feet of travel way, 14feet for each lane. Respond to the next three questions about thishorizontal curve.
1. Radius for the horizontal curve to the center of the roadmost nearly is: A. 515ft B. 494ft. C. 501ft. D. 508ft.
2. The sight distance fir the roadway is most nearly: A.362.5ft. B.355.8ft. C. 365.0ft. D. 360.5ft.
3. Safe operating speed for this section of the Road most nearlyis: A.50MPH. B.35MPH. C.40MPH. D.45MPH
