Highway & Transportation
Road geometry, sight distance, horizontal and vertical curve calculators.
#12 Ranked
Road Horizontal Curve Calculator
Calculate horizontal curve geometry for road design including radius, deflection angle, tangent length, chord length, and sight distance.
6,000–14,000 Opportunity Score: 88
#20 Ranked
Road Vertical Curve Calculator
Calculate vertical curve geometry for highway design including crest and sag parabolic curves, PVC/PVT stations, high/low points, and sight distance checks per AASHTO 2018.
5,000–12,000 Opportunity Score: 86