DU MÉTIER
Technical Investigations and Consultants (PTY)LTD 
Reg No. 99/18832/07

Tel: +27 12 664-2480/1

Fax: +27 12 664-2474

GUIDELINES FOR THE EXPERT REPORT

SCENE

A complete description of the scene
Describe possible dangers at the scene (assess road safety-general)

Describe the following in a complete manner

• 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
  

VEHICLES

• 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
  

DISCUSSION

• 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)
  

CONCLUSION

• 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