4th Edition Modified Elements
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C9. Manner of Crash / Collision Impact


The identification of the manner in which two motor vehicles in transport initially came together without regard to the direction of force. This data element refers only to crashes where the first harmful event involves a collision between two motor vehicles in transport. See Appendix F for a diagram of the manner of collision.
Element Attributes:

Front to Rear
Front to Front
Sideswipe, Same Direction
Sideswipe, Opposite Direction
Rear to Side
Rear to Rear


Important for evaluation of occupant injuries and structural defects. This data element can be used in conjunction with Motor Vehicle Maneuver/Action (V18) to describe the crash.