Pedestrian impact level

Speed reduction ratio (A)

Speed reduction ratio (B)

Level I

>21.7%

>22.3%

Level II

13.9% - 21.7%

15.0% - 22.3%

Level III

6.1% - 13.9%

7.7% - 15.0%

Level IV

<6.1%

<7.7%