An evaluation of the red-light camera programme in the city of Dammam,the Kingdom of Saudi Arabia

This study evaluated the effectiveness of red-light cameras in Dammam, the Kingdom of Saudi Arabia. Two methods were used to assess changes in crash risk at the intersections at which the red-light camera programme had been operating. Geospatial analysis was used to visualize trends in road crash density over the geographical region of Dammam and a pre--post-camera crash analysis was undertaken. The distribution of injury crashes was greater than that of crashes which included property damage, the latter of which was concentrated around central Dammam. The five red-light cameras installed in 2012 were located outside areas of high-crash and injury density, and the total number of crashes reported in the three-month periods after installation was double that before the cameras were installed. This increase in the number of crashes also occurred at the five comparison sites (without red-light cameras), indicating a null effect. The findings from this study are contrary to previous evaluations of speed management programmes associated with red-light cameras. The study highlights the challenges in obtaining data for such research and illustrates that a reliance on overt, fixed camera's to manage speed is unlikely to deliver significant reductions in road trauma.     

THE 200 KM CITY: BRISBANE,THE GOLD COAST,AND SUNSHINE COAST

Since the 1970s, several Southeast Queensland coastal towns in areas marketed as the ‘Gold Coast’ and the ‘Sunshine Coast’ have merged with each other and joined with Brisbane to become one of the world's longest urban coastal strips. The population of this 200 km long city is fast approaching three million. This urban pattern reflects the preferences of many Australians about where and in what type of housing they would like to live. The unplanned nature of this growth raises several policy challenges relating to resource use and traffic congestion.     

广深高速载货汽车超载特征分析

基于连续一周的广深高速交通量观测数据，对其交通量和货车超载特征进行详细分析．表明广深高速存在较为严重的超载现象。     

探讨交通运输机械针对性维修策略与应用

根据当前我国交通运输机械针对性维修的整体发展状况,分析了我国交通运输机械维修的发展方向,从而进一步探讨了现代交通运输机械维修的策略和具体技术应用所遇到的挑战及总体发展趋势,并针对具体维修策略,提出一些关于交通运输机械针对性维修方面的具体措施和发展思路。     

试论洪仁玕的铁路思想

作为太平天国后期的执政纲领,《资政新篇》勾画出了一幅发展近代铁路、水路、公路交通的蓝图,指明了中国交通事业的发展方向。洪仁玕作为中国铁路建设思想的先驱者,在其执政期间将其规划,付以蓝本,实在是时代的一大进步,尽管没有投身到参与建设的实践中去,但在中国铁路史上,应该占有突出的重要地位。     

浅析机队规划

随着世界金融危机的出现,航空公司的运营效益受到了很大的影响,如何提高航空公司的经济效益是当今民航界的又一主题。文章对提高我国航空公司运行效率有一定的理论指导意义。     

指引中国继续前行的明灯——纪念邓小平南巡讲话发表20周年

邓小平南巡讲话,为中国的发展拨正了航向,为中国的改革开放注入了新的生机与活力,是把由“以改革为主”转变为“以开放为主”的一个重要的历史转折点.邓小平的南巡讲话对当今中国仍然具有极其重要的指引作用.重温邓小平南巡讲话,我们一定要坚持改革开放的路线不动摇,坚持敢闯敢干的精神,走共同富裕的道路,把民生问题放在最重要地位,坚决消除腐败现象,反对本本主义和教条主义.     

城市交通问题的产权分析

通过对多个城市的观察,发现《中华人民共和国道路交通安全法》的许多条款形同虚设,得不到切实的执行。本文根据产权理论对这一现象进行了分析,解释当前城市交通问题的主要成因即：车辆的增多、无法识别、十字路口和交通意识。产权的主要作用是帮助人们形成与他人交流的信息的预期,有了清晰界定的产权,就可以减少城市交通中人与人之间的不确定性,减小冲突的发生。为此,本文提出了解决城市交通问题的政策建议,即限制行车数量、增强非机动车辆的识别能力和规范十字路口标识,提高公民城市交通意识。通过减少交易成本,清晰的界定产权等手段规范城市交通,从而帮助行人建立稳定的预期,保证道路畅通。     

中等城市绿色交通系统分类评定模型建构

根据以往我国城市绿色交通的调查结论,设计调查问卷,调查之后进行分析。运用Logit回归模型,建立一个专门针对二元因变量的Binary Logit模型,得出以下结论:收入水平、交通拥堵状况、对小汽车的态度和低碳环保意识4个变量因为统计检验不显著而未能进入最终模型。同时,油价、停车费、居所附近的直达公交线路、居所附近的轨道交通、公共交通乘坐舒适度、工作日平均出行距离与居民绿色出行方式的选择具有显著相关关系。     

基于视频图像的车辆检测算法研究

固定镜头下视频序列中的运动汽车目标的检测、分割、跟踪及计数等底层视觉问题进行了研究,提出了计算交通流量的算法。仿真实现表明:此算法可以有效的去噪、检测目标并计数。