Sight Distance when S is Less than L and h1 and h2 are same evaluator uses Sight Distance SSD = sqrt((800*Height of Vertical Curves*Length of Curve)/((Upgrade)-(Downgrade))) to evaluate the Sight Distance SSD, The Sight Distance when S is Less than L and h1 and h2 are same is defined for a situation where both the height of vehicles are same. Sight Distance SSD is denoted by SD symbol.
How to evaluate Sight Distance when S is Less than L and h1 and h2 are same using this online evaluator? To use this online evaluator for Sight Distance when S is Less than L and h1 and h2 are same, enter Height of Vertical Curves (h), Length of Curve (Lc), Upgrade (g1) & Downgrade (g2) and hit the calculate button.