Knowledge Resource Center for Ecological Environment in Arid Area
| The Impacts Of Neighbourhood Traffic Management | |
| David Daniel;Basil | |
| 出版年 | 2012 |
| 学位授予单位 | University of Canterbury. Civil and Natural Resources Engineering |
| 英文摘要 | A major traffic-related problem faced by residents is speeding, which not only causes safety concerns, but also noise issues. Traffic calming is a much favoured traffic management tool employed by road controlling authorities to primarily reduce vehicle speed, hence improve community liveability. This research aimed to investigate the impacts of traffic calming on speed, safety and traffic noise. The objectives included developing models for the prediction of speed and noise on traffic-calmed streets, and providing guidance for good design practices. Speeds of individual vehicles as they approached and crossed traffic calming devices were observed in order to identify the behaviour of individual drivers. Results indicated that the speed hump and the raised angled slow point produced the largest speed reductions and least variation in speeds, while mid-block narrowings had no significant speed changes. Inter-device speed was found to be mainly controlled by the separation between devices. 85th percentile speeds at distances from calming devices were 40 – 45 km/h for vertical deflections and 45 – 55 km/h for horizontal deflections. Speeds on approach to speed humps were found to be influenced by the distance available on the approaches, while operating speed at the speed humps were partly influenced by the hump width relative to the road width. There was evidence of safety benefits of traffic calming overall, despite mid-block crashes increasing post-calming. However, there was no association between the traffic calming and the crashes, which appeared to probably be due to other factors, human factors in particular. Noise levels produced by light vehicles across speed humps were in fact lower than on a flat section of road, given their respective mean speeds. At a reference speed of 25 km/h, noise levels produced over the 100 mm hump were 3.6 dBA higher than those produced by the 75 mm hump. |
| 英文关键词 | Traffic calming Neighbourhood traffic management Local area traffic management Speed control |
| 语种 | 英语 |
| URL | http://hdl.handle.net/10092/8180 |
| 来源机构 | University of Canterbury |
| 资源类型 | 学位论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/246448 |
| 推荐引用方式 GB/T 7714 | David Daniel;Basil. The Impacts Of Neighbourhood Traffic Management[D]. University of Canterbury. Civil and Natural Resources Engineering,2012. |
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