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Stopping Sight Distance
Stopping sight distance for a design speed and grade.
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About this test
Enter speed, reaction time and grade.
How it's calculated
- SSD = 0.278Vt + V²/(254(a/9.81 ± G))
Results are calculated from the values you enter using standard formulas. Download the PDF to keep a record. For certified testing, design or construction, talk to our engineers.
Cite this tool
Kataria Engineering & Consultancy Services (2026). Stopping Sight Distance [online calculator]. https://katariaengineering.com/tools/stopping-sight-distance.html
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