DI-9 Manual PDF - Utah Department of Public Safety
DI-9 Manual PDF - Utah Department of Public Safety
DI-9 Manual PDF - Utah Department of Public Safety
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22. Manner <strong>of</strong> Collision(TWO OR MORE MOTOR VEHICLES)Definition: The identification <strong>of</strong> the manner in which two motor vehicles in transport initially cametogether without regard to the direction <strong>of</strong> force. This data element refers only to crashes where thefirst harmful event involves a collision between two motor vehicles in transport. Must be at leasttwo motor vehicles involved in the crash.Identify the manner in which two (or more) motor vehicles in transport initially came togetherwithout regard to direction <strong>of</strong> force. Use code 96 Not Applicable for single vehicle crashes.When more than two motor vehicles are involved, enter the Manner <strong>of</strong> Collision code for the twovehicles involved in the initial or first collision.Enter the appropriate two-digit code in Box 22:96 Not Applicable01 Angle02 Front to Rear03 Head On (front-to-front)04 Sideswipe Same Direction05 Sideswipe Opposite Direction06 Parked Vehicle07 Rear to Side08 Rear to Rear99 UnknownRationale: Important for evaluation <strong>of</strong> occupant injuries and structural defects. This data elementcan be used in conjunction with Motor Vehicle Maneuver/Action to describe the crash.23. Roadway Contributing CircumstancesDefinition: Apparent condition <strong>of</strong> the roadway which may have contributed to the crash.Use only one code for the entire crash. If more than one condition exists, enter the one that mostdirectly contributed to the crash.Enter the appropriate two-digit code in Box 23:00 None01 Debris02 Rut, Hole, Bump03 Road Surface Condition (wet, icy, snow,slush, etc.)04 Work Zone(construction/maintenance/utility)05 Worn, Travel-Polished Surface06 Traffic Control Device (inoperative, missing, orobscured)07 Shoulder (none, low, s<strong>of</strong>t, high)08 Animal Caused Evasive Action09 Non-Motorist Caused Evasive Action10 Non-Contact Vehicle Caused Evasive Action11 Obstruction from Previous Crash97 Other*99 UnknownRationale: Important to determine highway maintenance and possible engineering needs.This is any apparent condition <strong>of</strong> the road which may have contributed to the crash.54
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