نتایج جستجو برای: road transportation
تعداد نتایج: 123924 فیلتر نتایج به سال:
The mass production of the four-wheel automobile in early 20th century changed human mobility forever. These suddenly “affordable” oil-fueled transportation boxes allowed us to move faster, range further, and triggered a dramatic transformation built environment. Unfortunately, this has also inflicted significant environmental harms. Recognition these harms led many propose prioritize vehicle e...
The chapter describes the complex situation of road carriers during the dynamic changes in the market for transport and forwarding services. Increasing globalization, innovation in the market, new growing customer needs (increasing expectation due to the high quality transportation service), emerging new competitors and changes in the legislative area are the elements which have an enormous imp...
Vehicular networking has established itself, in the short span of the last few years, as one of the most promising fields of research within the larger context of metropolitan-scale wireless networking. Enabling vehicle-to-vehicle (V2V) and vehicle-toinfrastructure (V2I) communication, a pervasive deployment of vehicular networking technologies would have an unprecedented impact on mass road tr...
Road transportation accounts for about 20% of the total GHG emissions in EU. Nowadays, substitution conventional fossil fuel-based ICEs with electric engines, or their hybridization, operating along Energy Storage Systems, seems to be most appropriate measure achieve reductions both fuel consumption and GHGs. However, EVs encounter crucial challenges, such as long charging time limited driving ...
This paper explores the economic impact of alternative ownership structures on transportation system performance, social welfare, and regulatory needs. Road pricing, investment, and ownership decisions are jointly considered in an agent-based evolutionary model applicable to large networks. Results suggest that a centralized public regime with average-cost pricing is far from socially optimal w...
This study developed a methodology for generating good alternative locations for road networks using heuristic solution techniques. Locations for road networks are determined based on road standards, timber harvesting and transportation costs, and topographic conditions. The main access road route is designed first and then single stand access roads are located as branches. A Genetic Algorithm ...
Abstract: The shipments of hazardous materials (HAZMATs) induce various risks to the road network. Today, one of the major considerations of transportation system managers is HAZMATs shipments, due to the increasing demand of these goods (because it is more used in industry, agriculture, medicine, etc.), and the rising number of incidents that are associated to hazardous materials. This paper ...
One of the most critical issues in modern cities is transportation management. Issues that are encountered in this regard, such as traffic congestion, high accidents rates and air pollution etc., have pushed the use of Intelligent Transportation System (ITS) technologies in order to facilitate the traffic management. Seen in this perspective, this paper brings forward a road traffic management ...
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