Background: India is undergoing a major economic and demographic transition with increased urbanization, industrialization, construction projects and motorization. Head injury is the result of a variety of mechanisms including motor vehicle and motorcycle accidents, pedestrians being struck by motor vehicles, falls from heights, occupational hazards, assaults, riots and bomb blasts. The objective of the study was an analytical post-mortem study of the cause of death in head injury in road traffic accident in city Lucknow