DI-9 Manual PDF - Utah Department of Public Safety

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FOREWARDThe Utah Department of Transportation’s automated Centralized Accident Records System(CARS) was developed with the primary goal of reducing the number and severity of motor vehiclecrashes in the State of Utah. Every law enforcement officer who investigates crashes will beinstrumental in reaching this goal.Much has been written about the need for better crash reporting. These reports are the key tosuccessfully relating crashes to highway locations and physical features of the highway.The adequacy of any crash records system is dependent on the role of the enforcement agencies. Ahigh standard of reporting is required for accurate crash records. Crash records systems mustrely on the full participation of state, county and local enforcement units.This manual is designed to assist all law enforcement officers in preparing complete and accuratetraffic crash reports. The primary objective of this manual is to encourage statewide uniformity inreporting motor vehicle crashes in order to obtain accurate and adequate accounts of all reportabletraffic crashes on all roadway systems in the State of Utah. It does not contain all the answers inevery situation, but serves as a guide to assist officers in filling out the report of motor vehiclecrashes.Motor vehicle crash reports provide the foundation for an effective traffic safety program. Theyprovide the basic information needed to:• Determine the magnitude and nature of the vehicle crash problem on a local and statewidescale• Identify changes and trends in the magnitude and nature of vehicle crashes• Detect high or potentially high crash locations• Detect behavioral, health, or other factors contributing to crashes• Evaluate the effectiveness of vehicle crash countermeasures.Good crash reporting is an essential part of the foundation for any effective traffic safety program.Crash prevention programs must be based on accurate collections and competent analysis of facts.This task can challenge all of your skills as an investigator. The information is only as good as thereports from which the information is acquired. With increased emphasis on uses of vehicle crashreports you can be sure that your efforts toward good reporting will have a noticeable and lastingeffect on the overall quality of the crash data system.This instructional manual is designed to show, step by step, guidelines for what information isdesired on the report form and why it is necessary. Familiarity with the manual’s content will saveyou time and effort at the crash scene and will help you to complete an acceptable and essentialreport.8
USES OF THE CRASH REPORTSThe value of an investigation can only be measured by the ability of an officer to inquiresystematically into the crash to find out how and why the crash happened. An officer must have theability to report findings on the crash form so that the Law Enforcement Agency, Utah Departmentof Transportation (UDOT), Drivers License Division (DLD), the Utah Traffic Safety Office,Department of Public Safety, the courts, and other agencies, who use the vital information gatheredat a crash, may obtain all the necessary information about the crash. Reporting must answerquestions about where and when the crash happened, who participated, what drivers and vehicleswere doing and intending to do, what kinds of vehicles were involved, and the how and why thecrash happened.The new DI-9 provides an efficient means to record the facts and circumstances of the crash.It is designed to consolidate the officer’s time and effort in obtaining and recording the facts of acrash.Each question is important to a variety of data users listed below. Plus there are many otheragencies we have not listed in detail who work on prevention, and adjudication of traffic crashes.AAAAARPCODESDepartment of TransportationDriver License DivisionFARSFederal Highway AdministrationFederal Motor Carrier Safety AdministrationGovernors Highway Safety CouncilGrants for Traffic and Highway Safety Projects and PersonnelHealth DepartmentHighway Safety OfficeIntermountain Injury Control Research Center (IICRC)Law Enforcement – local, county, and stateLOBBYISTSMADDMedia – local, state, and nationalNational Highway Traffic Safety AdministrationPrivate CitizensSADDUniversity ResearchersUtah Division of TransportationUtah Legislature9
Page 6 and 7: 37. First Harmful Event ...........
Page 10 and 11: DI-9 CRASH FORM CHANGESThe DI-9 cra
Page 12 and 13: 9. Occasionally, crashes occur as a
Page 15 and 16: REPORT SUBMISSION GUIDELINESAll law
Page 17 and 18: Location fields are critical for UD
Page 19 and 20: Case NumberThis is the case number
Page 21 and 22: TrailersSpecial Instructions for ve
Page 23 and 24: ModelDefinition: The manufacturer-a
Page 25 and 26: StateDefinition: The geographic or
Page 27 and 28: Charge(s)Indicate charge(s) relatin
Page 29 and 30: The identification number (found on
Page 31 and 32: Example #1: If a commercial vehicle
Page 33 and 34: Sequence of EventsDefinition: The e
Page 35 and 36: codes listed under sequence of even
Page 37 and 38: WORK ZONEA work zone is an area of
Page 39 and 40: Property DamageDamage to Property o
Page 41 and 42: Report TypeCheck the appropriate bo
Page 43 and 44: OVERLAY FIELDSFront SideIdentified
Page 45 and 46: 4. Cargo Body TypeDefinition: The e
Page 47 and 48: 8. Extent of Deformity for Most Dam
Page 49 and 50: 12. Work Zone TypeDefinition: The g
Page 51 and 52: 16. Driver ConditionDefinition: Any
Page 53 and 54: 20. Traffic Control DeviceDefinitio
Page 56 and 57: SIDE TWO OF DI-9 CRASH FORM OVERLAY
Page 58 and 59:
DRIVER(S) & PERSON(S) INVOLVED INFO
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Blood Alcohol ContentIf a Blood Alc
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Injury DescriptionsInjury LevelThes
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Transported ByDefinition: Type and
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EjectionDefinition: Occupant comple
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AgeEnter the age of the person from
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DiagramA diagram in the space provi
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SIDE TWO OVERLAY FIELDS24. Visual C
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Roadway/Junction Features include:
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32. Non-Motorist LocationDefinition
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36. Location of First Harmful Event
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OTHER COUNTRIES (con’t)Honduras,
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Appendix C - Work Zone Diagram82
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Appendix E - Vehicle Impact Points
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Appendix G - FMCSA Reporting86
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Appendix J - Carrier and U.S. Dot N
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Appendix L - Commercial Driver’s
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CROSSWALK - (a) That part of a road
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In Transport May Also Include:— D
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POLE TRAILER - Every vehicle withou
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WORK ZONE - Work zone locations inc
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Investigation Completion Date, 40La
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DI-9 Manual PDF - Utah Department of Public Safety

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