Trafiksäkerhetsenkäten 1991

This is the eleventh study in a series of annual surveys on road safety conducted since 1981. The study is conducted by Statistics Sweden on behalf of the Traffic Safety Board,...本研究为自1981年起开展的道路安全年度调查系列中的第十一项研究。该研究由瑞典统计局（Statistics Sweden）受交通安全局（Traffic Safety Board）委托实施……