Andrew McGregor CPEng
Dr. Nick Powell

Collision Investigation

Road Traffic collision investigation and reconstruction encompasses all types of collisions including those involving heavy motor vehicles, passenger cars, motorcycles, pedal cycles and pedestrians. Crash Reconstruction is the process of systematically evaluating evidence associated with a collision sequence and applying accepted physical principles to determine how the collision occurred.

A collision may be a chaotic event with a number of contributing factors. It can be difficult to portray the circumstances that culminate in a collision event with words alone. Collision reconstructionists therefore frequently use forensic animation to demonstrate the cause of a collision or the causative factors.


Mr Paul Bass
Paul Bass Investigations & Consultancy Ltd Wanganui
Phone: +64 21663236, Email:, Website:

Dr Matthew King
Investigative Sciences Consultancy Brighton, Dunedin
Phone: +64 21427328 or 098892112, Email:

Professor John Raine
Auckland University of Technology Auckland
Phone: +64 99219634, Email:

Dr Tim Stevenson
Investigative Engineering Services Ltd Christchurch
Phone: +64 274058825, Email:, Website:

Forensic Services

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