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Traffic Accident Investigation Guidelines With Accident Investigation Guidelines With ... The manual is clear and ... Accident investigation is the initial step towards the accident

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  • | Authors: Sasa Kocic, Zoran Stojanovic

    Traffic Accident Investigation Guidelines

    With Reference to Desert Environments

  • 1

    Table of Contents Book review ............................................................................................................................................. 3

    About the authors ................................................................................................................................... 4

    Introduction............................................................................................................................................. 5

    PREFACE .................................................................................................................................................. 7

    Traffic accident terminology ............................................................................................................... 8

    Factors of traffic safety ..................................................................................................................... 10

    Human ........................................................................................................................................... 10

    Vehicle ........................................................................................................................................... 12

    Road ............................................................................................................................................... 15

    Environment .................................................................................................................................. 18

    Legal .............................................................................................................................................. 21

    Securing the scene of the accident, ...................................................................................................... 23

    Evidence identification and the ............................................................................................................. 23

    On-scene measurement ........................................................................................................................ 23

    Securing the scene of the accident ....................................................................................................... 24

    Receiving the information ................................................................................................................. 24

    Securing the scene and investigator safety ....................................................................................... 24

    Placing traffic cones and traffic signs before the accident scene ................................................. 26

    Using more than one vehicle ......................................................................................................... 30

    Using another police officer, or a colleague to warn and regulate traffic at the accident scene . 31

    Wearing a reflective west .............................................................................................................. 31

    Knowledge of the investigation procedures ................................................................................. 31

    Impact-crash phases: ......................................................................................................................... 32

    Principles of the on-scene investigation ........................................................................................... 36

    Main method of the on-scene investigation ..................................................................................... 36

    Evidence identification ...................................................................................................................... 40

    Traces that appear after the collision ........................................................................................... 41

    Traces that appear at the point of collision .................................................................................. 45

    Traces that appear before the point of collision ........................................................................... 52

    Accident evidence found on the vehicles ......................................................................................... 67

    Damage marks ............................................................................................................................... 68

    Material marks .............................................................................................................................. 69

    Wiping marks ................................................................................................................................. 69

  • 2

    Casting marks ................................................................................................................................ 70

    Abrasion, melting marks................................................................................................................ 70

    Seatbelt examination .................................................................................................................... 71

    On scene measurement ........................................................................................................................ 79

    Right angle coordinates procedure ............................................................................................ 80

    Triangle measuring procedure ...................................................................................................... 82

    Measure curves ............................................................................................................................. 83

    Measurement equipment ............................................................................................................. 86

    Measuring damages on the vehicles ............................................................................................. 88

    Photographing and filming the traffic accident evidence ..................................................................... 90

    Photo cameras and lightning ............................................................................................................. 91

    Digital photo camera ..................................................................................................................... 91

    Camera lenses ............................................................................................................................... 92

    System of Optical lenses................................................................................................................ 92

    Aperture mechanism ..................................................................................................................... 93

    Camera body ..................................................................................................................................... 94

    Shutter mechanism ....................................................................................................................... 94

    ISO Number ................................................................................................................................... 95

    On scene photography ...................................................................................................................... 96

    Investigation of the road design and construction elements ............................................................. 100

    Road design elements ................................................................................................................. 101

    Characteristics of rollovers on-scene investigation ........................................................................ 106

    Characteristics of pedestrian and animal collision on-scene investigation ........................................ 113

    Using software and additional resources ............................................................................................ 122

    References ........................................................................................................................................... 127

  • 3

    Book review

    The manual is clear and in accordance with the modern trends of accident investigation and

    analysis. Illustrations, photos and examples from real life situations are used, as well as the

    authors experience from the Sultanate of Oman and Middle East.

    The language used is plain and simple and the manual can also be used as a literary resource

    for studies. High degree of expertise can be witnessed, confirmed by authors experience

    gained in Sultanate of Oman as well as international experience. The manual comprises a

    positive trends and methods from USA, UK, Eastern Europe and Republic of Serbia, which is

    mainly manifested in the practical examples and the references to the Road Safety Audit and

    Road Safety Inspection elements.

    Considering that the traffic safety system is based on the human, vehicle, road and

    environment factors manual analyses each of these elements in depth as well as broader

    analysis of the circumstances leading to the road traffic accident dependent on these

    elements.

    A high focus of the manual is towards the road and the environment, which is unfortunately

    often neglected in the countries that