Chapter A: Introduction

Chapter B: Collision Scene Management

Chapter C: Collision Phases

Chapter D: On-Scene Events

Chapter E: Highway Evidence

Chapter F: Field Sketches and Measurement

Chapter G: Vehicle Inspection

Chapter H: Witnesses

Introduction

Collision Scene Management

• Meeting Collision Management Objective No. 1
• Meeting Collision Management Objective No. 2
  • Information Sharing

Collision Phases

• Pre-Scene Phase
• Pre-Trip Events (History)
  • Human Senses
  • Mental and Physical Capabilities
  • Alcohol or Drugs
• Trip Events
  • Vehicle
  • Traffic Way
  • Drivers and Witnesses

On-Scene Events

• Point of Possible Perception
  • Point of Actual Perception
  • Perception Delay
  • Action Point
  • Perception/Reaction Time
  • Perception/Reaction Distance
• Reaction
• Point of No Escape
• Traffic Objects
• Point of Impact
• Final Position

Highway Evidence

• Pre-Collision Factors
• Post-Collision Evidence
• Tire Marks
  • Skid Marks
  • Scrub Marks
  • Yaw Marks
  • Scuff Marks
  • Tire Prints
  • Imprints
• Calculating Speed from Skid Marks

Field Sketches and Measurement

• Photography
  • What Photos To Take?
  • Detail Photos
  • Vehicle Damage
  • Vehicle Interiors
• Why Measure
  • What to Measure
• Measurement Priorities
• Investigators' Responsibilities
  • Measuring Errors
• Field Sketches
• Measuring Process
  • Establishing Reference Points
  • Coordinate (Baseline) Method
  • Triangulation Method
  • Measuring Curves