Some motor vehicle accident and motorcycle accident cases require the use of an accident reconstruction expert. In Kentucky and Indiana motor vehicle accidents and motorcycle accidents which result in a death, the state or local police investigating the accident will usually do a fairly detailed investigation. This may include a total-station mapping of the accident scene, documenting the final rest of the vehicles involved, documenting the forensic evidence at the crash site and the collection and preservation of other relevant data such as roadway gauge marks. However, that is not always the case. Moreover, the officers at the scene may not have the resources to conduct a full reconstruction.

Often, a professional accident reconstructionist in motor vehicle accident and motorcycle accident cases will be retained by a litigation attorney to ensure a full and thorough scientific investigation of the cause of a crash is determined.

A professional accident reconstruction can reveal all of the following and more about a crash:

• Speeds at impact
• Vehicle positions in time before impact to assess avoidability
• The impact location – usually in reference to the roadway center
• The pre impact locations – to determine who was on the incorrect side of center and when
• The magnitude of the impact – in terms of potential to cause injury
• Were the seatbelts in use at the moment of impact?
• If worn, would the seatbelts have reduced injury magnitude?
• Who was driving? (Occupant positioning is an issue more often than you might think)
• Visibility issues that may contribute to avoidability – this often requires a site survey in 3D

http://crashteams.com/Services/Crash-Reconstruction/Crash-Reconstruction.htm