Online Calculators since 2009
Calculate the minimum curve length to provide visability when designing a roadway to allow for visability of objects by pedestrians / drivers to support visual safety in road design.
| Sight Distance (S) | |
| Initial Roadway Grade (g1) | |
| Final Roadway Grade (g2) | |
| Height of driver's eye above Roadway surface (h1) | |
| Height of object above Roadway surface (h2) |
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