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. 2024 Nov 11;19(11):e0310858. doi: 10.1371/journal.pone.0310858

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