Design Speed (km/h) | Stopping Sight Distance (m) | |||||
Downgrades | Upgrades | |||||
3% | 6% | 9% | 3% | 6% | 9% | |
20 | 20 | 20 | 20 | 19 | 18 | 18 |
30 | 32 | 35 | 35 | 31 | 30 | 29 |
40 | 50 | 50 | 53 | 45 | 44 | 43 |
50 | 66 | 70 | 74 | 61 | 59 | 58 |
60 | 87 | 92 | 97 | 80 | 77 | 75 |
70 | 110 | 116 | 124 | 100 | 97 | 93 |
80 | 136 | 144 | 154 | 123 | 118 | 114 |
90 | 164 | 174 | 187 | 148 | 141 | 136 |
100 | 194 | 207 | 223 | 174 | 167 | 160 |
110 | 227 | 243 | 262 | 203 | 194 | 186 |
120 | 263 | 281 | 304 | 234 | 223 | 214 |
130 | 302 | 323 | 350 | 267 | 254 | 243 |