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Skadegradstetthet-SGT . Et Nytt Mal pa Hvor Farlig en Vegstrekning er (Injury Severity Density. A New Approach to Identifying Hazardous Road Sections)
| 题名： | Skadegradstetthet-SGT . Et Nytt Mal pa Hvor Farlig en Vegstrekning er (Injury Severity Density. A New Approach to Identifying Hazardous Road Sections) |
| 作者： | Ragnoy, A.; Christensen, P.; Elvik, R. |
| 关键词： | Injury severity##Road safety##Motor vehicle accidents##Fatal accidents##Norway##Injury prevention##Density##Analysis tools##Road sections##Costs##Foreign technology##Vision Zone##Institute of Transport Economics##Bayes method## |
| 摘要： | Vision Zero has been adopted as the basis for road safety policy in Norway. As a consequence of this, more emphasis is now put on preventing fatal and serious injuries. In order to identify road sections that have a high expected number of fatal and serious injury accidents, the Institute of Transport Economics has developed a new indicator called 'injury severity density.' Injury severity density is based on weighting the number of injured road users by the societal cost of the injuries. The empirical Bayes method has been applied to estimate injury severity density. Briefly speaking, this means that the recorded value of injury severity density for a given road section is adjusted by means of a normal value of injury severity density, estimated by means of a multivariate accident model. The result is an estimate of the expected value of injury severity density for road sections with given road and traffic characteristics. |
| 总页数： | 70 |
| 报告类型： | 科技报告 |
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