语言描述

拥挤等级

路网平均车速(V)

拥挤路段里程比例(SP)

拥挤持续时间比例(TP)

极度拥挤

5

≤20

>70%

>70%

严重拥挤

4

[20, 35]

[50%, 70%]

[50%, 70%]

轻微拥挤

3

[35, 50]

[30%, 50%]

[30%, 50%]

畅通

2

[35, 65]

[10%, 30%]

[10%, 30%]

非常畅通

1

>65

≤10%

≤10%