Trafiksäkerhetsenkäten 1997

This is the 17th study in a series of annual surveys on road safety conducted since 1981. The study is conducted by Statistics Sweden on behalf of the Swedish National Road...本研究为1981年起启动的道路安全年度调查系列的第17项研究。本次研究由瑞典统计局（Statistics Sweden）代表瑞典国家公路……开展。