Traffic OCU's patrol officers are highly trained advanced (pursuit) drivers, motorcyclists and vehicle examiners. All receive additional training in accident investigation with many being trained to advanced levels in forensic collision reconstruction, vehicle examination, tachograph analysis and hazardous materials enforcement. They have responsibility for the enforcement of road safety legislation, response to major incidents and incidents on motorways and the strategic road network, the complete investigation of fatal collisions, and the initial investigation of life changing Road Traffic Collisions within the MPD.