Manual on Classification of Motor Vehicle Traffic Accidents ANSI D16.1-2007 3.5.2.1
GRADE | SEVERITY | COEFFICIENT | CATEGORY |
1 | Minor | 1% TO 20% | Functional |
2 | Moderate | 20% TO 40% | Functional |
3 | Medium | 40% TO 60% | Functional |
4 | Major | 60% TO 80% | Disabling |
5 | Severe | 80% TO 100% | Disabling |