Length of Summit Curve when Length of Curve is greater than OSD or ISD evaluator uses Length of Parabolic Summit Curve = (Deviation Angle*(Stopping Sight Distance^2))/(8*Height of Eye Level of Driver above Roadway) to evaluate the Length of Parabolic Summit Curve, The Length of Summit Curve when Length of Curve is greater than OSD or ISD is defined as ratio of product of stopping sight distance and deviation angle to the height of eye level of driver above roadway. Length of Parabolic Summit Curve is denoted by LSc symbol.
How to evaluate Length of Summit Curve when Length of Curve is greater than OSD or ISD using this online evaluator? To use this online evaluator for Length of Summit Curve when Length of Curve is greater than OSD or ISD, enter Deviation Angle (N), Stopping Sight Distance (SSD) & Height of Eye Level of Driver above Roadway (H) and hit the calculate button.