| Design speed (Vd), major highway (km/hour) | 80 | 90 | 100 | 110 | 120 |
| Decision sight distance (m) | 220 | 255 | 290 | 325 | 360 |
| Minimum crest vertical curve radium (m)(1) | 12,140 | 16,310 | 21,100 | 26,490 | 32,500 |
| Minimum sag vertical curve radium (m) | 1650 | 2100 | 2575 | 3100 | 3700 |