Advances, Systems and Applications
Table 2 Road condition meteorological index
Classification | Description | Recommendation |
|---|---|---|
Level 1 | Sunny: visibility greater than 10km, wind force less than level 4 | Observe the city traffic speed limit |
Level 2 | Cloudy: small amount of standing water | Do not exceed 50km/hour |
Level 3 | Light rain or snow: obvious standing water | Do not exceed 40km/hour |
Level 4 | Moderate rain or snow: blurry vision, easy to slip | Do not exceed 30km/hour |
Level 5 | Heavy rain or snow: covered with water or snow, poor visibility | Do not exceed 20km/hour |