Minimum requirements of the expert report:
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Scene
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- A complete description of the scene
- Describe possible dangers at the scene (assess road safety-general)
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Describe the following in a complete manner
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- Road surface type
- Road surface condition (bumps, age, etc.)
- Road texture
- Gradients/slopes
- Width of road
- Width of road shoulder – (Gravel or tar)
- Curves/turns before or after scene
- Physical factors that might influence vehicle dynamics
- Any irregularities
- Point of impact
- Marks made by vehicles on the scene
- Describe how marks were made
- Position of marks on the scene
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Vehicles
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- Damage to vehicles
- Position of damage
- Degree of damage
- Type of damage (impact, graze, mechanical failure)
- Deductions about mechanism that caused damage
- Final rest positions of vehicles described
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Discussion
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- Discuss vehicle movements
- Discuss other possible scenarios
- Discuss probabilities
- Discuss the match between the probabilities and the physical evidence
- (Use a holistic approach and use precise wording)
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Conclusion
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- Give a summary of most probable scenario
- State other possibilities only if reasonably possible
- If there is only one possibility, state it clearly
- Summarize taking road conditions and road circumstances into account
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