Calculation of the freight revenues in Turkey-focused maritime transportation

The Central Bank of the Turkish Republic (TCMB) in Turkey has announced the data of freight revenues. The data that have been announced depends on the information obtained from the port customs and compiled by the Turkish Statistical Institute (TUIK). Because of the distinctive structure of the freight market, certain requisite generalizations and projections are used for data calculation. Accordingly, calculations that depend on generalizations and predictions are likely to weaken the effectiveness of the decisions already made or going to be made. The aim of this study is to calculate more realistically the real freight revenues of ships that have carried out loading or discharging operations in Turkish ports. In accordance with this purpose, the volume of freight revenues and their distribution between Turkish and foreign flagged ships is calculated. A Microsoft SQL-based algorithm is developed in order to do the calculation. Within the scope of the study, the total fright revenue of Turkey-oriented shipping industry is calculated to be USD 5.8 billion. Proportionately, 79.53% of the revenue belongs to foreign flagged ships, 12.70% of it belongs to foreign flagged ships with Turkish owners, and only 7.78% of it belongs to Turkish flagged ships.     

Road traffic crashes and risk groups in India: Analysis,interpretations, and prevention strategies

Current literature does not adequately discuss India's quickly changing transportation scenario, especially road traffic crash (RTC) concerns. The objectives of this work were to (a) present the national RTC framework and a case study of Andhra Pradesh (AP); (b) analyze and identify risk types; (c) discuss trends and data deficiencies; and (d) recommend prevention strategies. During the period 1970–2009, the nation's road length increased at a compounded annual growth rate (CAGR) of 3.2%, whereas the number of registered vehicles, RTCs, and fatalities grew at 12%, 3.8%, and 5.7% CAGR respectively. Exposure risk dropped from 103 to 11 fatalities per 10 000 vehicles but increased from 2.7 to 10.8 fatalities per 100 000 people.     

金属路面加筋网防治反射裂缝试验与应用分析

使用金属路面加筋网防治半刚性基层裂缝反射到沥青面层,是在基层和面层之间铺设并固定一层金属路面加筋网,其上铺设沥青面层,最后碾压成形。该技术在国外属于成熟技术,近年来在我国修建了试验路,取得了预期效果。     

裕华路交通调查报告

该文针对裕华路的交通现状进行路段摄像及浮动车法调查,得出交通量及饱和度数据,并预测规划期末的交通量及饱和度,为道路规划设计方案提供技术支持。     

Examining the linkages between electronic roadway tolling technologies and road pricing policy objectives

The surge of road pricing projects in the U.S. and around the globe over the past 15 years has been enabled by a variety of new communication and transportation technologies. While all of these technologies increase the efficiency of roadway tolling vis-à-vis manual collection, no “best” configuration has emerged. Rather, optimal configurations depend on the objectives of the tolling effort, such as facility type, geographic scope, desire to price externalities, integration with other operations, and so on. While such policy objectives for road pricing have been examined extensively, little has been written on the explicit links between tolling technology configurations and policy objectives. This paper addresses this gap in the literature through an examination of eight road pricing programs. For each program we evaluate the conduct of the three technical tasks via the nine technology sets in light of six principal policy objectives of road pricing.     

Operating costs in Norwegian toll companies: a panel data analysis

The objective of this paper is to ease the planning of new toll projects by providing estimates of operating costs, and to help us make better informed decisions about the design of toll collection systems. To do so we use panel data for Norwegian toll companies to estimate average cost functions. The main results can be summarised as follows. We provide evidence of very important unexploited economies of scale. The estimated cost curves are very steep for traffic levels below the sample mean, and become almost entirely flat over a wide range above the sample mean. A higher share of vehicles using on board units will significantly reduce average costs. Competitive tendering will significantly reduce average operating costs by as much as 25%. Our results also suggest that increased number of lanes, higher debt and passenger charging will increase average operating costs whereas average operating costs are lower for toll cordons compared with other projects.

A new approach to evaluating on-road public transport priority projects: balancing the demand for limited road-space

Despite widespread growth in on-road public transport priority schemes, road management authorities have few tools to evaluate the impacts of these schemes on all road users. This paper describes a methodology developed in Melbourne, Australia to assist the road management authority, VicRoads, evaluate trade-offs in the use of its limited road-space for new bus and tram priority projects. The approach employs traffic micro-simulation modelling to assess road-space re-allocation impacts, travel behaviour modelling to assess changes in travel patterns and a social cost benefit framework to evaluate impacts. The evaluation considers a comprehensive range of impacts including the environmental benefits of improved public transport services. Impacts on public transport reliability improvements are also considered. Although improved bus and tram reliability is a major rationale for traffic priority its use in previous evaluations is rare. The paper critiques previous approaches, describes the proposed method and explores some of the results found in its application. A major finding is that despite a more comprehensive approach to measuring the benefits of bus and tram priority, road-space reallocation is difficult to economically justify in road networks where public transport usage is low and car usage high. Strategies involving the balanced deployment of bus and tram priority measures where the allocation of time and space to PT minimises negative traffic impacts is shown to improve the overall management of road-space. A discussion of the approach is also provided including suggestions for further methodology development.

创新科学搜救机制的理论与实践

文中分析了福建省海上搜救工作的新特点,提出了“科学搜救”是搜救工作的行动指南,以及“政府领导、海事主导、各方配合、社会参与”的搜救工作新机制,以期把海上搜救工作提升到一个新的水平。     

关于海事行政机关协助法院执行行为的解读

海事行政机关协助法院执行已是一项常态化的工作,由于缺乏明确而具体的规定,导致各海事行政机关在协助执行中的做法不一,且在与法院、当事人之间出现某些不协调、文章从分析协助执行行为性质入手,对海事行政机关协助执行的义务陆、协助执行行为的不可复议性或不可诉性,以及如何协助执行等方面进行了较为全面的解读,对进一步规范协助执行行为,防范协助执行中的执法风险具有较强的针对性生和参考性．     

The longer and heavier vehicle debate: A review of empirical evidence from Germany

This paper aims to evaluate the likely effects of the adoption of Longer Heavier Vehicles (LHVs) from the perspective of logistics service providers (LSPs). The research consists of six case studies and a survey of companies which were involved LHV trials in Germany. Wider introduction of LHVs is being increasingly demanded so that road freight transport can better serve and support modern supply chains whilst achieving the desired eco-efficiency advancements. Available literature on LHVs puts a particular emphasis on five factors that need to be included in the assessment of their impact: energy efficiency, CO₂ emissions, costs, safety and infrastructure. The research provides an original and innovative empirical study refining and validating the current conceptual framework for assessing LHVs demonstrating it is a valuable tool and providing evidence that the vast majority of companies participating in our study, regardless of their size, were interested in the adoption of LHVs. However, it should be noted that a key limitation of the research is that by focusing on a single country case, the nature and scale of the findings may not reflect practice in other countries and sectors. There is also a need to examine the long-term sustainability of the improvements made.