Superelevation Calculator
Calculate required superelevation rate per KRDM/KeRRA | Formula: e = V²/127R
Calculated Superelevation
10.00%
Max allowable: 10% per KRDM
Minimum Radius Check
✓ Pass (KRDM min: 30m at 60km/h)
Reference Table (KRDM 2017)
| Speed (km/h) | Min Radius (m) |
|---|---|
| 30 | 30m |
| 40 | 60m |
| 50 | 100m |
| 60 | 150m |
| 70 | 230m |
| 80 | 320m |
| 90 | 430m |
| 100 | 560m |