Sight Distance when Length of Curve is Less and Both Height of Observer and Object is Same evaluator uses Sight Distance SSD = (Length of Curve/2)+(400*Height of Vertical Curves/((Upgrade)-(Downgrade))) to evaluate the Sight Distance SSD, The Sight Distance when Length of Curve is Less and Both Height of Observer and Object is Same is defined as a condition where the sight distance is larger but the height of two vehicles or the observer and the object is same. ie. h1=h2. Sight Distance SSD is denoted by SD symbol.
How to evaluate Sight Distance when Length of Curve is Less and Both Height of Observer and Object is Same using this online evaluator? To use this online evaluator for Sight Distance when Length of Curve is Less and Both Height of Observer and Object is Same, enter Length of Curve (Lc), Height of Vertical Curves (h), Upgrade (g1) & Downgrade (g2) and hit the calculate button.