Trafiksäkerhetsenkäten 2009

This is the 28th study in a series of annual surveys on road safety conducted since 1981. The study is conducted by Statistics Sweden on behalf of the the Swedish National Road...本研究为1981年起开展的道路安全年度系列调查的第28项调研。本次调研由瑞典统计局（Statistics Sweden）受瑞典国家道路...委托开展。