An apparatus, a system and a method of collecting vehicle data for use in incident investigations, including: a vehicle data recorder for recording vehicle parameters such as geographic location, speed, azimuth of motion, acceleration, brake pedal pressure and similar parameters: a means for detecting incidents such as an accident, and sending an incident message to a incident monitoring station, which then transmits a broadcast message. Other vehicles within communication range of the incident monitoring station each respond to the broadcast message with a report message including a unique identifier. When an incident occurs, a portion of the data stored prior to, and at the time of, the incident is saved for future retrieval. The incident message may be reported to a central site or other authority so that emergency response can be provided.