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% |