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Deterrent Effect of Fixed-site Speed Enforcement in Freeways
| 题名： | Deterrent Effect of Fixed-site Speed Enforcement in Freeways |
| 正文语种： | 中文 |
| 作者： | YANG Mengdie MA Jun CHEN Qiang YANG Yichi |
| 作者单位： | epartment of Traffic Management Engineering, People's Public Security University of hina,Beijing 102614, hina Tianjin Traffic Police Branch of Freeway, Tianjin 300402, hina |
| 关键词： | fixed-site speed enforcement deterrent effect distance halo effect |
| 摘要： | Speeding is common in freeways.Speed cameras have limited coverage and the effect of them on speed behavior is unclear.This may lead to irrational decision making on the investment and configuration of enforcement facilities.In this study, required sample speed data were collected in five cross-sections around a speed camera in G45 (Daguang Freeway) of China.Statistics showed that the distance effect model of the speed camera is a concave parabola function.Speeding drivers begin to slow down to speed limits when they approach advance warning signs and then immediately speed up after passing the enforcement site.The deterrent effect of fixed-site speed enforcement is limited to a 300-meter range.It was concluded that there is an obvious distance halo effect of fixed-site speed enforcement by deterrence theory.The findings imply that the deterrent effect of fixed-site speed enforcement is weak due to its short effective distance and overt form of control.Reasonable configuration of enforcement facilities and combination with mobile speed enforcement will be appropriate to reduce speeding. |
| 会议日期： | 201511 |
| 会议举办地点： | 成都 |
| 会议名称： | 2015第二届智能交通国际会议 |
| 出版日期： | 2015-10-31 |
| 母体文献： | 2015第二届智能交通国际会议论文集 |
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