Application/computer program to record a traffic accident in order to preserve evidence for a later technical analysis, analyzing photos, testimonies of those involved, and witnesses, it is possible to point out the person responsible for its causality for civil and/or criminal liability.The position of the vehicles involved, immediately the event/accident must be preserved until the photographic record, together with the record of objects and braking marks, risks on the road, etc.Therefore, it is necessary that this record be made immediately after the event, before the vehicles are removed from their final positions to clear the lane, as well as the testimonies of victims, witnesses, and vehicle drivers must be collected before people leave the place. .Thus, this application, already installed on drivers cell phones, will allow the collection of evidence in an efficient and low-cost way, and send them over the Internet to specialist traffic technicians, so that they can prepare an opinion within 48 hours. civil or criminal liability technician in compliance with traffic rules.This innovative solution guarantees efficiency, lower costs, more reliability in the technical opinion on the blame for the event/accident.