10504908Traffic Theory
Course Information
Description
In this course, the learner will enforce Wisconsin traffic laws, detect traffic violations, issue traffic citations, direct traffic, identify responsibilities of a first responding officer, manage the response to a scene, take necessary steps to enable effective follow-up as needed, conduct an initial investigation at a crash scene, identify the mechanics of measuring and documenting traffic crash scenes, complete the Wisconsin Motor Vehicle Accident Report, record the crash scene using photography, take appropriate enforcement action based on information gathered, and recognize and interpret indicators of impaired driving.This course consists of competencies and learning objectives from the following blocks of instruction from the Law Enforcement Standards Board 520 hour Law Enforcement Basic Training Curriculum.Traffic Law Enforcement - 12 hoursScene Management - 2 hoursTraffic Crash Investigation - 12 hours
Total Credits
3

Course Competencies
  1. Enforce Wisconsin traffic law
    Assessment Strategies
    by responding to a simulated traffic accident
    Criteria
    you enforce the laws in a non-judgmental manner
    you enforce all laws that apply
    you do not enforce laws that do not apply
    you apply common sense

  2. Detect traffic violations
    Assessment Strategies
    by controlling traffic flow in a full size or scale model mock up
    Criteria
    you demonstrate the proper position to direct traffic
    you demonstrate the proper hand signals
    you demonstrate the proper whistle signals

  3. Issue traffic citations, ranging from warnings to arrest. ***
    Assessment Strategies
    by issuing a citation for a simulated traffic accident
    Criteria
    the citation has all necessary information included
    the citation has additional information included only when relevant (in your judgement) to the situation
    the citation is clear and legible (if hand written)
    the citation issuance complies with all department policies

  4. Direct traffic
    Assessment Strategies
    by physically directing traffic
    Criteria
    you select the correct tools and safety equipment (whistle, cones, flares, etc.)
    you wear personal protective equipment (reflective vests, colored gloves, etc.)
    you position yourself correctly in the intersection
    you perform hand signals deliberately and clearly
    you perform the correct hand signal and direct the driver in the direction he/she wishes to go in
    you route traffic safely and effectively
    you follow safety procedures
    you communicate with others when directing traffic with multiple officers

  5. Identify responsibilities of a first responding officer, following the steps of the Incident Response model (RESPOND)
    Assessment Strategies
    by participating in a discussion on the RESPOND model
    Criteria
    you discuss what each letter of the RESPOND model stands for
    you list the activities that need to be done under each step of the RESPOND model:
    R - Report: Become aware, Plan response, Arrive/Assess, Alarm/Inform
    E - Evaluate: Look for dangers, Determine back up needs, Enter when appropriate/tactically sound
    S - Stabilize: Subject(s), Scene
    P - Preserve: Life (conduct an initial medical assessment - as trained, treat to level of training, continue to monitor the subject(s)), Evidence
    O - Organize: Coordinate additional responding units (if necessary), communicate with dispatch and others, and organize the collection of evidence (if appropriate)
    N- Normalize: Provide long-term monitoring (as appropriate), Restore scene to normal, Return radio communications to normal
    D - Document/Debrief: Debrief self, other responding personnel, subject(s), other persons, Document incident appropriately

  6. Manage a scene response
    Assessment Strategies
    by acting as scene commander for a simulated traffic accident and coordinating the response
    Criteria
    you prioritize necessary actions
    you direct resources according to those priorities
    you maintain constant and clear communication with responding units
    you make every effort to calm citizens present
    you communicate known facts only when communicating with the public or the media and do not sensationalize or theorize

  7. Take necessary steps to enable effective follow-up as needed
    Assessment Strategies
    by debriefing and documenting the incident
    by discussing the incident command system
    by discussing critical incident stress and ways to manage it
    Criteria
    you debrief the appropriate people on scene
    you document actions at the scene on the appropriate reports
    you describe the incident command system's role in an ongoing response to an incident
    you discuss the emotional aspects of emergency care
    you discuss critical incident stress management, critical incident stress debriefing, and critical incident stress defusing

  8. Conduct an initial investigation at a crash scene
    Assessment Strategies
    by discussing officer actions when conducting an initial investigation at the crash scene
    Criteria
    you discuss how to identify and interview operators, passengers, and witnesses at a crash scene
    you discuss how to identify physical appearance factors, characteristics, and behaviors of the driver relevant to the crash investigation
    you discuss what types of equipment officers should inspect on a vehicle and discuss expected damage results, potential equipment failures, and unusual conditions an officer may find at a crash scene

  9. Identify the mechanics of measuring and documenting traffic crash scenes.
    Assessment Strategies
    by measuring and documenting a simulated crash scene
    Criteria
    Results: you locate the position of each vehicle and any body outside of a vehicle
    Results: you locate scars (gouges and scratches) on the road, roadside, and on any fixed objects
    Results: you locate debris areas such as significant vehicle parts and pedestrian possessions, underbody dirt, vehicle parts, liquid spatter, dribble, and puddles
    Results: you locate tire marks such as skid marks, yaw marks, and collision scrubs
    Results: you locate parked vehicles which may have obstructed the drivers' view(s)
    Results: you locate barricades and construction vehicles or materials
    Locating Spots for Each Result: you locate two spots for each vehicular unit (trailers separate), skid marks, curved tire marks less than 6 feet long, and grooves or scrapes more than 3 feet long
    Locating Spots for Each Result: you locate one spot for debris areas and clusters of scars less than three feet long, bodies, detached vehicle parts, pedestrian possessions, irregularities and crossings of tire marks
    Locating Spots for Each Result: you locate three or more spots for debris areas more than 3 feet long and a regular intervals along yaw marks more than 8 feet long
    System of Measurement: you decide which system of measurement is best based on crash scene circumstances
    System of Measurement: you choose the coordination method that uses the roadway edge as a reference line; or
    System of Measurement: you choose the triangulation method using permanent landmarks as reference points; or
    System of Measurement: you choose a combination of coordinates and triangulation; or
    System of Measurement: you choose two separate systems if more convenient
    Marking Spots: you mark reference points for coordinates
    Marking Spots: you mark spots for vehicles or bodies which will be removed before measurements are made
    Marking Spots: you mark the beginning and end of tire marks, including the faint (erasure) markings
    Marking Spots: you mark stations on a reference line for long curved tire marks
    Marking Spots: you mark spots on the perimeter of debris area(s)
    Marking Spots: you mark other spots for the convenience in referring to letter or number designations
    Field Sketch: you draw the skeleton of roadway edges
    Field Sketch: you draw a dotted line to indicate edges aligned on opposite sides of the intersection
    Field Sketch: you draw the results of the crash scene (from learning objective 2.1)
    Field Sketch: you draw the spots located at the crash scene (from learning objective 2.2)
    Basic Measurement Table: you draw three columns for coordinate measurements listed as: SPOTS, [N-S], and [E-W]
    Basic Measurement Table: you draw three columns for triangulation measurements listed as: SPOTS, [RP 1], and [RP 2]
    Basic Measurement Table: you draw one horizontal line for each spot
    Entering Measurements: you measure to the nearest half foot and enter those measurements into the table
    Entering Measurements: you use decimal points for feet and tenths, underlining inches and spelling out the word "steps"
    Additional and Supplemental Measurements: you take additional measurements to support the basic measurements
    Additional and Supplemental Measurements: you record the additional and supplemental measurements where convenient on the field sketch or on the table of measurements
    Review Field Sketch: you review the field sketch for clarity and completeness
    Review Field Sketch: you make any additions or corrections needed to the field sketch
    Identify Items on a Sketch: you note the sketch type (field or scale)
    Identify Items on a Sketch: you note the nominal north direction
    Identify Items on a Sketch: you list the names of the roads
    Identify Items on a Sketch: you list a description of reference points
    Identify Items on a Sketch: you add the distance and direction to a recognizable landmark if the scene is not at a road junction, railroad crossing, or bridge
    Identify Items on a Sketch: you list the city and state
    Identify Items on a Sketch: you list the time of day and the date of the crash
    Identify Items on a Sketch: you list the name of the person taking the measurements
    Identify Items on a Sketch: you list the date the measurements were actually made
    Identify Items on a Sketch: you note the accident or case number for reference
    Identify Items on a Sketch: you list the names of the zero end person and read end person helping take measurements
    Identify Items on a Sketch: you list the document and/or case number
    Identify Items on a Sketch: you label the final position and directions of the results, tire marks, and other objects on the sketch
    Identify Items on a Sketch: you note the grade of the road at the crash scene

  10. Complete a Wisconsin MVA report form
    Assessment Strategies
    by documenting a simulated traffic accident scene using the Wisconsin Motor Vehicle Accident Reports
    Criteria
    the WMVA report has all necessary information included
    the WMVA report has additional information included only when relevant (in your judgement) to the situation
    the WMVA report is clear and legible (if hand written)
    the WMVA report issuance complies with all department policies

  11. Record the crash scene using photography
    Assessment Strategies
    by articulating when and how to photograph a crash scene
    Criteria
    "At-Scene" photographs: you explain that four overall views (at least 150 feet from the near intersection side for a 4-lane undivided road) are taken
    "At-Scene" photographs: you explain that four medium views (cover street width at or near the area of impact) should be taken
    "At-Scene" photographs: you explain that driver view(s) on approach should be taken (36 to 42 inches above ground level)
    "At-Scene" photographs: you explain that you take a best overall picture of the scene (including vehicles, all results, and land mark(s))
    Photographs of the road: you explain that photographs should include skid marks, yaw marks, tire marks, solid and liquid debris, what's there and maybe even what is NOT present
    Photographs of the road: you explain that photographs should show location identification of marks on the road, including a landmark or by taking two photos, one including a background object or including your own identifying marks in the photo
    Photographs of the road: you discuss photographing long marks (more than 40 feet) beginning to end and any peculiarities in between, at regular intervals, and that special attention should be paid to changes in direction or peculiar areas and textures of the road
    Vehicle Damage Photographs: you explain how these photographs can be used to reconstruct the scene and evaluate repair costs
    Vehicle Damage Photographs: you explain standard photo recording (4 photos starting at the front of the vehicle working clockwise and squarely toward the side area) photographing along the vehicle's centerline (aligning camera by undamaged parts)
    Vehicle Damage Photographs: you list detailed damage photos that should be taken, such as imprints of one vehicle on another, friction and/or abrasion marks, damage to lamps, damage to loads, sources of injury to pedestrians or occupants (flash for interior photos), and detailed damage to tires and wheels and under side of vehicle
    Specific Photographs: you identify specific photographs to take such as, vehicle interiors (make exposure as if there were no daylight), use a series with an assistant for specific items (VIN's, matched areas, evidence, etc.), take unscaled and scaled photos, and visibility conditions (weather, fog, traffic control devices, parked vehicles, obstructions, window condition, etc.)
    Specific Photographs: you identify photographs that document victim(s)' location(s) and injuries when appropriate (thrown from vehicle or contact areas inside the vehicle)
    Specific Photographs: you discuss photos taken that identify vehicle condition (contents, tires, any indication the vehicle was unsafe prior to the crash, etc.)

  12. Take appropriate traffic enforcement action based on information gathered
    Assessment Strategies
    by using your investigation to determine if you should take enforcement action or take no legal action against any person involved in the crash
    Criteria
    you list any factors involved in taking enforcement action against any person involved in the crash
    you explain your reasoning for taking no legal action
    you explain how to use the information gathered at the scene and documentation of the crash to justify prosecution