You or one of your member's family or friend was involved in road traffic accident. You don't understand how it's happen. You don't agree with the police report. You find it not complete and you are not satisfied.

You can be helped by a technical assistant or ask a private expertise, before, during or after a trial. In France, if all the involved persons have received the private expertise report, it should be taken into account by the judge. In these case, a technical assistant can't be requiered like a judicial expert in the same accident litigation (see the chapter "deontology").

The french law "Badinter" protect the vulnerable road users and the passenger's vehicle. See this chapter.

To analyse and reconstruct your road accident, it is necessary to have a minimum of elements. Certain cases can't be solved because data are missing, particulary to calculate the impact speeds.
The following advices can help you if you need an accident analysis. Apply these advices as soon as possible whatether you don't think to need today a detailed analysis of your acccident. It could help you later to answer some questions in case of litigation, many months or years after.
Don't waiting for nevertheless, a fast investigation by an accidentologist brings you better precision and fiability in the data.

• Take pictures from all involved vehicle (with impact or involved without impact)

Ask a copy of police report (to your insurance company in France) and verify if you have a complete sketch with scale. Try to complete it as possible.

Take pictures in approaching direction of each vehicle

Photograph the impact point, the skid marks...

Keep your medical attestation, injury report.