DI-9 Manual PDF - Utah Department of Public Safety

SIDE TWO OVERLAY FIELDS24. Visual Contributing CircumstancesGraphic indicates side two of overlayDefinition: Apparent visual conditions which may have contributed to the crash.If more than one condition exists, enter the code element that most directly contributed to the crashfor each vehicle.Enter the appropriate two-digit code for the visual contributing circumstances prior to the crash foreach vehicle in Box 24:00 None01 Weather Condition02 Physical Obstruction03 Windshield or Other Window Obscured04 Trees, Crops, Bushes, Other Vegetation05 Parked Vehicle(s)06 Signs, Billboards, etc.25. Weather Condition07 Moving Vehicle(s)08 Building09 Guardrail/Barrier10 Glare11 Smoke97 Other*99 UnknownDefinition: The prevailing atmospheric conditions that existed at the time of the crash.Enter the appropriate two-digit code for the weather condition at the time of the crash in Box 25:01 Clear02 Cloudy03 Rain04 Snowing05 Blowing Snow06 Sleet, Hail07 Fog, Smog08 Severe Crosswinds09 Blowing Sand, Soil, Dirt99 UnknownRationale: Important for management/administration and evaluation. This data is critical forprevention programs and engineering evaluations.72