Motor vehicle examination & investigation

Vehicle Investigations

Measuring tyre tread depth using Vernier caliper on a particular tyre as part of a motor vehicle crash investigation

Measuring tyre tread depth using Vernier caliper on a particular tyre as part of a motor vehicle crash investigation

A proper well documented vehicle examination, including the mechanical condition, tyre examination, headlight/brake light and diagnostic examination assists in determining the sequence of events of the collision as well as whether the vehicle or vehicles had their headlights or brake lights on or off at the time of impact and if there was a contributing fault with the vehicle.

Seat belt examination is carried out to assist clients with determining whether the seatbelt was being worn at the time of the accident. This is generally identified through the stretching of the belt or scuff marks across the face of the belt.

The majority of damage profiles to vehicles examined by CIS staff are either documented by way of total station photogrammetry. These methods have a proven track record of assisting in determining the orientation of vehicles during a collision sequence, and can assist in either showing whether a collision was fraudulent or it had in fact occurred as per a claim.

For personal injury claims a well documented damage profile and examination of the occupants compartment assists in determining the occupant’s position and likely injury mechanism from a collision.

Information from diagnostic tools such as G-Scan Tool and Bosch Crash Data Retrieval (CDR) are utilised on all vehicles* to ensure all possible crash data information is retrieved.
*Not all vehicles are supported.


To enquire please contact CIS on 0405 149 064 or email

See also • Tyre examination,     • Light bulb analysis

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Author: Pat McDonald