Table 4 Vehicle trafficability under different meteorological conditions.

From: Construction of dynamic trafficability map for unmanned vehicles considering multiple environmental factors and path planning

Meteorological elements

Rainfall (mm/24 h)/snow (mm/12 h)/wind force level/visibility (m)

Influence coefficient

Vehicle trafficability

Rainfall

< 10

0

1

10–25

0.2

0.8

25–50

0.4

0.6

50–100

0.5

0.5

Snowfall

0.1–0.25

0.1

0.9

0.25-3

0.4

0.6

3–5

0.7

0.3

≥ 5

0.9

0.1

Wind force

0–4

0

1

5–6

0.2

0.8

7–8

0.4

0.6

> 8

0.6

0.4

Horizontal visibility

300–1000

0.1

0.9

100–300

0.4

0.6

20–100

0.7

0.3

≤ 50

0.9

0.1

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