The traffic injury accident data collected by the police are coded and stored in a traffic accident database system trads which is managed by the road safety and standards division of the transport department 警方负责在意外现场搜集交通意外资料并输入电脑，运输署道路安全及标准研究部则负责管理这交通意外资料库。
2.
The traffic injury accident data collected by the police are coded and stored in a traffic accident database system ( trads ) which is managed by the road safety and standards division of the transport department 警方负责在意外现场搜集交通意外资料并输入电脑，运输署道路安全及标准研究部则负责管理这交通意外资料库。
