公路建设项目融资及投资评价

目前我国干线公路仍然存在着高等级公路特别是高速公路数量明显不足、地区发展严重不平衡等诸多问题。国民经济对于现代化公路设施的需求日益增长,公路建设资金短缺成为制约我国公路发展的关键因素。公路建设项目根据融资特征可分为非经营性和经营性项目,其融资方式也不同。本文主要论述了公路建设项目融资方式及投资项目的评价方法。     

论电动车管理的规范化——以武汉市为例

电动车因其行驶时无污染、低噪音、不耗油、低辐射等特点得到了迅速的发展。但在发展过程中却遇到了许多问题和困境。对此,武汉市政府应该出台有关法律法规和措施对电动车进行规范化管理,但在政策的制定时要慎重调研和分析,在考虑各方利益的前提下寻找解决问题的办法和途径。     

公路工程质量管理探讨

文章介绍了公路工程项目质量的内涵，分析了影响公路工程质量的主要因素，在此基础上就如何提高公路工程质量提出了具体的措施。     

浅谈四川公路交通网络建设与旅游业的协同发展

四川省公路交通网络发展总体水平较低,使公路交通网络在服务水平和行车速度上都较差,难以满足现代旅游业对公路交通的要求。四川公路交通网络建设与旅游业要在规划上相互协调,加快四川公路交通网络建设速度和川西高原地区的公路建设,优化公路交通网络的等级结构,提高公路交通路网的路面铺装率,重视县乡村当地的公路交通网络建设,鼓励旅游专线公路的建设,实现公路交通网络与旅游业的协同发展。     

探讨无人值守自动发卡机在高速公路收费站的应用

目前,我国高速公路网络发展迅速,给人们带来交通便利的同时,也产生了许多问题。如何提高对高速公路各路段的综合管理水平,充分发挥路网中各高速公路之间快捷、畅通的通行优势,最大限度地降低人为干扰因素,已成为摆在高速公路管理者面前的一项新的研究课题。为此,尽快实现联网收费成为交通管理部门的重要工作目标之一。文章从工程应用的角度,对当前高速公路收费站应用无人值守自动发卡机工作流程的特点和通信过程中可能遇到的问题进行详细分析。     

铁路交通枢纽与城市综合体设计初探

通过对国内铁路旅客车站交通枢纽设计模式及国外交通枢纽城市综合体典型案例的分析和总结．提出铁路旅客车站结合物业开发设计并形成交通枢纽城市综合体将是国内铁路旅客车站发展趋势之一的观点,以期对今后铁路旅客车站的建筑设计有所启示。     

Attitudes,norms and difficulties underlying road sharing intentions as drivers and cyclists: Evidence from the Czech Republic

Cycling-inclusive urban planning is attracting attention worldwide because of the environmental, health, economic, and transport benefits inherent to cycling from the individual and the societal perspectives. The Czech Republic is one of the emerging cycling countries that are trying to promote and support cycling, but cycling mode shares are low because of the poor quality of the scarce infrastructure and the psychological barrier of the perceived lack of safety when cycling in mixed traffic. This study takes a multimodal approach based on the Theory of Planned Behaviour and focuses on the factors underlying the willingness to share the road from the perspective of cyclists and drivers: positive attitudes toward cycling, positive attitudes toward cyclists’ behavior, social norms toward cycling and anxiety to share the road. A web-based questionnaire was tailor-designed and administered in the Czech Republic via social networks, web forums, and the Civinet network, and a hybrid bivariate-ordered model tested the behavioral framework. Results show that the willingness to share the road as a cyclist or as a driver relates positively to positive attitudes towards cycling and cyclists’ behavior, and negatively to the anxiety of sharing the road. Moreover, mediator effects are observed and a clear relation emerges between the experience on the road as both a cyclist and a driver on the willingness to share the road as a cyclist. Lastly, results show that the factors underlying road sharing intentions are related significantly to gender, travel habits, and perceived personal and infrastructure-related barriers to cycling.     

城市交通与旅游协调发展定量评价——以大连市为例

城市交通和城市旅游之间互相拉动同时也互相限制,二者相互影响.实现二者高质量协调是实现城市旅游可持续发展的必由之路.因此,城市交通和旅游系统之间协调发展研究对二者共同发展具有一定的导向作用.文章以大连市为例,首次通过模糊数学建立评价体系,探究两系统间发展模式及其演变关系,为妥善处理交通和旅游的发展关系提供借鉴性参考.     

Traffic evacuation time under nonhomogeneous conditions

During many manmade and natural crises such as terrorist threats, floods, hazardous chemical and gas leaks, emergency personnel need to estimate the time in which people can evacuate from the affected urban area. Knowing an estimated evacuation time for a given crisis, emergency personnel can plan and prepare accordingly with the understanding that the actual evacuation time will take longer. Given the urban area to be evacuated, street widths exiting the area's perimeter, the area's population density, average vehicle occupancy, transport mode share and crawl speed, an estimation of traffic evacuation time can be derived. Peak-hour traffic data collected at three, midblock, Mumbai sites of varying geometric features and traffic composition were used in calibrating a model that estimates peak-hour traffic flow rates. Model validation revealed a correlation coefficient of +0.98 between observed and predicted peak-hour flow rates. A methodology is developed that estimates traffic evacuation time using the model.     

公路突发事件应急能力实证分析

公路突发事件应急能力评估是公路应急管理工作的基础。以公路为研究对象,采用静态与动态相结合的方法,从基础制度建设能力和应急应对能力两个维度构建公路突发事件应急能力评价指标体系。运用层次分析法和DELPHI法对系统各指标因素进行量化解析,确定各因子对公路应急系统的作用大小,并分析其灵敏度和权重因子。结果表明,应急应对能力在公路突发事件的处理中占重要地位,在基础制度建设能力中信息保障占据首要地位,其次是经费资金和应急抢通;在应急应对能力方面,事故发生前的检测预警对于事故灾害的减缓显得尤为重要,通信与信息设备状况的重要性紧随其后。