Table 4. Relationship between vehicle speed and safety distance under various road conditions.
Speed(km/h) | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 |
---|---|---|---|---|---|---|---|---|---|
Road conditions | |||||||||
Dry | 12.8m | 16.0m | 19.2m | 22.4m | 25.6m | 28.7m | 31.9m | 35.1m | 38.3m |
Wet | 14.8m | 19.1m | 23.7m | 28.5m | 33.6m | 38.9m | 44.4m | 50.3m | 56.3m |
Snow | 18.8m | 25.3m | 32.7m | 40.7m | 49.6m | 59.1m | 69.5m | 80.5m | 92.3m |