共查询到19条相似文献,搜索用时 140 毫秒
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本次研究主要以环城高速外几个大型居住小区为对象(以广州市环城高速为界,环城内为中心区,环城高速外为外围地区),通过入户问卷调查的方法,获取外围居民出行的有关原始数据。基于对职住空间的关系、职业空间分布、上班耗时、上班出行方式的分析,探讨广州外围居住区居民上班出行的基本特征,"职住分离"带来的交通压力,认为加强公共交通系统的建设,才能更好的满足外围居民上班及其他出行的需要。 相似文献
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结合厦门的城市规模及经济水平、居民的出行方式、城市道路条件等自身条件,对厦门快速交通系统(BRT)进行了合理的功能定位,并介绍了厦门BRT一期工程情况。实践证明,厦门BRT定位准确,对改善出行条件、缓解交通拥堵及提高出行效率起到很大作用,为破解城市交通难问题做出了有益尝试,充分体现了BRT“大容量、安全、便捷、准时、舒适”的特点。 相似文献
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近10多年来,我国的城市特点和居民出行特征发生了巨大变化。文中从理顺交通管理体制和规范交通规划编制体系的角度,分析了交通规划的制度前提。从规划前期的基础研究、交通模型、交通信息化、一体化交通规划、交通影响分析和特殊交通规划等方面阐述了改进交通规划工作的具体内容。最后,提出应重视对规划实施保障和实时交通运行状况评价的研究和实践。 相似文献
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本文阐述了在"温州模式"与"新温州模式"经济发展背景下的城市形态特点,同时分析了温州具有多面性的城市文化对城市形态演变的影响。 相似文献
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又到一年春运时,海事部门把保春运安全作为工作重中之重,通过采取空中巡航、联合执法等手段,开展船舶安全大检查,确保春运期间辖区水上交通安全形势稳定,实现水路春运安全、及时、优质、有序,保障居民平安出行和重要物资的运输。 相似文献
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长江客业的发展、现状及存在的问题浅析 总被引:1,自引:0,他引:1
一、长江客运业发展历程分析 长江水路客运的发展具有悠久的历史,为方便沿线居民的出行、带动沿线经济的发展起到了积极的推动作用。客观上讲,水路客运具有双重功能,即运输功能和旅游功能,并随着各种主客观条件的变化而转化。从这一意义上讲,长江水路客运业的发展主要经历了两个阶段,即以运输功能为主阶段(80年代末期以前)和逐步向旅游化方向转变阶段(80年代末至今)。前者的主要特征是以完成旅客的地理位移为主,后者则以满足旅客多层次的需求为主要特征。 相似文献
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城市机动车道网供需动态平衡模型及其应用 总被引:4,自引:0,他引:4
根据城市道路交通广义容量概念,建立城市道路设施资源供需,道路网时空饱和度,居民出行方式与机劝车道网动态平衡模型,并将所得结果运用于南京城市交通等多项具体工程。 相似文献
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正为确保返校学生水上出行安全,佛山南海海事处全力打造"平安渡运",贴心服务护航"学生渡"。海寿岛坐落在西江流域中心,因特殊的地理环境,海寿渡口成为岛上居民、学生出行的唯一通道。海寿小学作为岛上仅有的一所学校,每天有近200余名学生需搭乘渡船上下学。海寿渡口是南海海事处监管的重要学生渡口。近年来,南海海事处以互动性强、趣味性强、参与性强的教学方式,开展水上交通安全主题教育,传授海洋、水上 相似文献
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以青岛市市南区平面交叉口交通事故为研究对象,分析了事故发生的主要原因和类型,鉴别了交通事故“黑点”,分析了“黑点”的道路特征,对比了道路交通事故与平面交叉口交通事故的特征,提出了在一定的条件下可将城市道路就近划为平面交叉口范围的观点,为平面交叉口的规划、设计提供基础数据。 相似文献
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针对城市交通局部堵塞,根据临时桥梁的特点,参考相关规范,提出了在城市中发展轻型、可重复使用的临时桥梁,并对其结构进行了分析,证明了临时桥梁的安全性及有效性。 相似文献
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This paper presents the joint optimization of signal setting parameters and dynamic user equilibrium (DUE) traffic assignment for the congested urban road network. The simulation-based approach is employed to obtain the DUE condition for the case of multiple-origin multiple-destination traffic flows. The dynamic traffic assignment simulation program (DTASP), developed in C language is used to assign the traffic dynamically on the road network, whereas method of successive averages (MSA) is modified and used to arrive at the DUE condition. The artificial intelligence technique of genetic algorithms (GAs) is applied to obtain the optimal signal setting parameters and path flow distribution factor for DUE condition. The methodology developed in such a way that joint optimization of signal setting parameters with DUE is obtained. The proposed method is applied to the real network data of Fort Area of Mumbai city comprising of 17 nodes and 56 unidirectional links with 72 Origin–Destination pairs, where all the 17 nodes are signalized intersections. The traffic flow condition for the optimized signal setting parameters is considerably improved compared to the existing signal settings. The results prove that the GA is an effective technique to solve the joint optimization problem for the real network data. 相似文献
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Ronald W. McQuaid 《Research in Transportation Economics》2009,25(1):19-28
This paper considers the length of time that parents are willing to travel to an existing or new job. Using data for over 12,000 parents it finds that many characteristics were associated with being less likely to be willing to travel to work for at least an hour (roundtrip). These include: being a women, those out of work, having children under 5, being a lone parent and using formal childcare. Professionals and associate professions were more willing to travel for longer periods. In terms of location, those in accessible small towns and rural areas were willing to travel more than those in larger urban areas and those in remote rural areas willing to travel most. Policy implications are also set out. 相似文献
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交通的供需是否匹配关系到城市和枢纽的发展前景。文中在探讨道路通行能力与需求匹配特性的基础上,用BP神经网络理论建立一种交通匹配预测模型。该模型发挥神经网络的优势,对数据并行处理和分布存储,通过训练、学习产生一个非线性映射,自适应地对数据进行预测。通过相关数据实验证明,该神经网络模型有较高的精度,并有较好的适用性。 相似文献
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Jan Owen Jansson 《Research in Transportation Economics》2010,29(1):346-353
The starting point of this paper is that the collection costs of urban road pricing have turned out to be unexpectedly high. A comparative cost analysis of the congestion charging system of London, Stockholm, Oslo and Singapore also shows that there are large collection cost differences. The most striking difference is between Oslo and London. Oslo, like Stockholm has the necessary, natural, qualities for a central city toll ring with a limited number of entrances; just 18 and 19 tollgates are required. For large historic cities like London with hundreds of inlets to the central city, tollgates at every entrance would involve high investment costs and be very obtrusive in the street scene. The problem is, however, that the present London charging system, with no tollgates, shows high running costs, ten times higher than in Oslo, in spite of the fact that the charged number of vehicles is the same in the two cities. This is a formidable obstacle to alleviating urban traffic congestion in many big cities.The charging technology could hopefully be developed, however, another approach is to develop and combine other measures including traffic regulation, parking policy and public transport subsidisation, which would be only second-best in a hypothetical situation where road pricing is without costs. This paper focuses on parking policy. Two strands of parking policy reform are discussed; fringe benefit taxation of free workplace parking which has recently been introduced in Sweden and a two-part tariff at parking meters, which is suggested as an extension of congestion charging to all day traffic within the central city. 相似文献