Готові списки джерел за темами / Urban freight transportation

Добірка наукової літератури з теми "Urban freight transportation"

Автор: Grafiati
Опубліковано: 14 березня 2023

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Статті в журналах з теми "Urban freight transportation"

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Mospan, N. "ROAD FREIGHT TRANSPORT PLANNING UNDER SUSTAINABLE CITY DEVELOPMENT." Municipal economy of cities 3, no. 156 (July 1, 2020): 8–16. http://dx.doi.org/10.33042/2522-1809-2020-3-156-8-16.

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Анотація:
This research paper devoted to the urban freight transport planning under sustainable city development. Continued urban population growth, traffic congestions, financial losses because of longer delivery times, harm-ful impact on environmental are highlighted as strong arguments for the freight traffic management in the cities. The article aims to help all stakeholders understand the challenges brought about by freight activities in an urban context, and make the planning process consistent and comprehensive for the city freight transportation system improvement. The brief overview of some recent foreign and native studies in urban transport planning and traffic engi-neering reveals main field of interests for modern researchers. The clear focus of the analysed scientific works di-rected on such aspects in sustainable urban freight transport development as energy and economic efficiency, eco-friendliness, safety, institutional and legal issues of freight transportations. Special attention is paid to the analy-sis of government initiatives in sustainable transport system development of Ukraine. Identification of the main freight transportation features in an urban area is carried out on the initial re-search stage. Each feature has an explanation for better understanding necessity of their usage in the freight transport planning process. The other focus of the research devotes to the description of the stages during urban freight transport planning process. Author attends a deep freight transport demand and supply analysis for a de-termination of the basic freight distribution regularities in an urban context. Therefore, a list of indicators for subsystem of city freight transportation evaluation is presented in the article. The whole set of indicators is divid-ed into economical, operational, environmental, social and general groups of indicators. Moreover, the compo-nents of successful measures implementation for an urban freight transport subsystem improvement are highlight-ed. Financial management, political support, institution, organisation and legal framework condition are consid-ered as the key elements of successful plans and measures implementation. Keywords: planning, sustainable development, freight transport, urban population, authorities.
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2

Lebedeva, Ol'ga. "DATA COLLECTION METHODOLOGIES IN URBAN FREIGHT TRANSPORTATION." Scientific Papers Collection of the Angarsk State Technical University 2021, no. 1 (July 5, 2021): 103–7. http://dx.doi.org/10.36629/2686-7788-2021-1-1-103-107.

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Анотація:
The well-known approaches to the process of modeling the demand in urban freight transportation in conditions of limited availability of adequate data are considered. The main task is to select a model for creating a reliable system for analyzing urban freight traffic. Demand assessment models were chosen as input data because they are the most representative for assessing urban freight transport performance.
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3

Dias, José Maria, Gabriel Bugan Sobanski, João Eduardo Azevedo Ramos da Silva, Leise Kelli de Oliveira, and José Geraldo Vidal Vieira. "Are Brazilian cities ready to develop an efficient urban freight mobility plan?" urbe. Revista Brasileira de Gestão Urbana 10, no. 3 (June 4, 2018): 587–99. http://dx.doi.org/10.1590/2175-3369.010.003.ao07.

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Анотація:
Abstract According to the Urban Mobility National Policy (UMNP), Brazilian cities with more than 20,000 inhabitants are obligated to elaborate Urban Mobility Plans (UMPs). The literature shows a lack of national research on urban freight planning and a need for better understanding issues on cargo transportation for authorities, especially regarding decision-making on policies and on urban freight transportation planning. City Logistics solutions can be considered on UMPs to reduce the problematic urban freight transport. Therefore, a survey was applied to investigate the resources available within cities to draw UMPs, the solutions for cargo movement in Brazilian cities, and the perceptions of public managers about freight transportation. The results show that “restrictions” are the solutions most adopted by Brazilian authorities, including the representative sample for cities within the São Paulo State with more than 250,000 inhabitants. The conclusions point out that Brazilian cities are not prepared to develop an efficient urban freight plan, as public managers seem to be unconscious about urban logistics demands within their cities or have neglected aspects regarding urban freight within the UMNP.
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4

Pendyala, Ram M., Venky N. Shankar, and Robert G. McCullough. "Freight Travel Demand Modeling: Synthesis of Approaches and Development of a Framework." Transportation Research Record: Journal of the Transportation Research Board 1725, no. 1 (January 2000): 9–16. http://dx.doi.org/10.3141/1725-02.

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Анотація:
It is increasingly being recognized at all levels of decision making that freight transportation and economic development are inextricably linked. As a result, many urban entities and states are embarking upon comprehensive freight transportation planning efforts aimed at ensuring safe, efficient, and smooth movement of freight along multimodal and intermodal networks. Over the past few decades there has been considerable published research on (1) freight transportation factors, (2) freight travel demand modeling methods, (3) freight transportation planning issues, and (4) freight data needs, deficiencies, and collection methods. A synthesis of the body of knowledge in these four areas is provided with a view to developing a comprehensive statewide freight transportation planning framework. The proposed framework consists of two interrelated components that facilitate demand estimation and decision making in the freight transportation sector.
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5

Prasolenko, Oleksii, Dmytro Burko, Illya Tolmachov, Nizami Gyulyev, Anrii Galkin, and Oleksii Lobashov. "Creating safer routing for urban freight transportation." Transportation Research Procedia 39 (2019): 417–27. http://dx.doi.org/10.1016/j.trpro.2019.06.044.

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6

Dahlberg, Joen, Stefan Engevall, and Maud Göthe-Lundgren. "Consolidation in Urban Freight Transportation — Cost Allocation Models." Asia-Pacific Journal of Operational Research 35, no. 04 (August 2018): 1850023. http://dx.doi.org/10.1142/s0217595918500239.

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Анотація:
In this paper, the focus is on the role of the municipality, as an enabler of a collaboration between freight forwarders and the municipality in which the consolidation of goods is considered as a means for goods flow improvement in urban freight transportation. We present a cost allocation model that is based on solution concepts from cooperative game theory, for allocating the operational costs associated with the collaboration. It is assumed that the municipality is willing to carry some cost to ensure a stable collaboration for the potential benefits received, e.g., reduced traffic congestion in the city. The model is applied to some illustrative examples, and the cost allocation results are discussed. It is shown that the role of the municipality may be decisive in achieving a stable collaboration between the freight forwarders, and further that the municipality does not necessarily need to contribute to covering the costs.
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7

Lebedeva, Ol'ga. "MODELING OF DEMAND FOR URBAN FREIGHT TRANSPORTATION IN CONDITIONS OF LIMITED DATA AVAILABILITY." Modern Technologies and Scientific and Technological Progress 1, no. 1 (May 17, 2021): 175–76. http://dx.doi.org/10.36629/2686-9896-2021-1-1-175-176.

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Анотація:
The approaches to the process of modeling the demand in urban freight transporta tion in conditions of limited availability of adequate data are considered. The main task is to select a model for creating a reliable system for analyzing urban freight traffic. Demand assessment models were chosen as input data because they are the most representative for assessing urban freight transport performance
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8

Oliveira, Leise Kelli de, Isabela Kopperschmidt de Oliveira, João Guilherme da Costa Braga França, Gustavo Wagner Nunes Balieiro, Jean Francisco Cardoso, Tiago Bogo, Diego Bogo, and Marco Adriano Littig. "Integrating Freight and Public Transport Terminals Infrastructure by Locating Lockers: Analysing a Feasible Solution for a Medium-Sized Brazilian Cities." Sustainability 14, no. 17 (August 31, 2022): 10853. http://dx.doi.org/10.3390/su141710853.

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Анотація:
Integrating freight and public transport infrastructure can lead to providing economic feasibility to public transportation systems and reducing externalities related to urban freight transport. This can be achieved by sharing the infrastructure of freight and public transportation systems. Additionally, failed deliveries represent a major challenge in e-commerce. Lockers can address this problem and promote sustainable urban freight transport. This paper identified a locker network in a public transportation infrastructure. The framework considered scenarios built under the 15-min city concept, and the analysis is based on a case study in Jaraguá do Sul (Brazil, a mid-sized Brazilian city, and its conurbated area. The networks were found by solving a p-median problem, which minimised the maximum distance between the lockers and the population. The findings showed that, in the best scenario with 16 lockers, the population could reach the lockers within a 10-min cycling ride. Additionally, the results showed that the public transportation network provides a locker network to integrate freight and public transportation. The locker network is accessible to public transportation and micromobility users. With this solution, residents play an active role in last-mile deliveries. In addition, lockers can work as mini hubs for crowdshipping services. In addition to reducing urban delivery trips, this solution can encourage public transportation usage, which contributes to more sustainable cities.
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9

Chaudhari, Jignesh, Rena Shukla, and Chetan Patel. "IMPACT ANALYSIS OF URBAN FREIGHT TRIPS GENERATED FROM WHOLESALE MARKET, AHMEDABAD." Acta logistica 9, no. 3 (September 30, 2022): 325–36. http://dx.doi.org/10.22306/al.v9i3.316.

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Анотація:
Freight transport plays an important role in meeting the domestic needs of the city's inhabitants. But when freight vehicles come into contact with city traffic, it has a negative impact on urban routes, such as extra traffic congestion, noise pollution, air pollution, etc. The aim of the study is to assess the impact of freight transport on the overall traffic of the city. A case study of the wholesale market of Ahmedabad has been considered as a study area. The freight trip models based on the trips attracted and produced by the market are developed on the basis of data collected from establishment surveys and freight vehicle driver surveys. Both the models developed in this study, FTA (Freight Trip Attraction) and FTP (Freight Trip Production), have R Square values of 0.799 and 0.715, respectively. The volume of freight vehicles contributing to the overall traffic flow is also measured by the traffic volume study. Through the data analysis and identification of the impact of freight transportation on city traffic, remedial measures are discussed to reduce the impact of freight transportation.
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10

Bagdonienė, Danutė. "SOME METHODS OF IMPROVING FREIGHT TRANSPORTATION IN SHORT HAULS." TRANSPORT 18, no. 1 (February 28, 2003): 9–12. http://dx.doi.org/10.3846/16483840.2003.10414056.

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Анотація:
The results obtained in the investigation aimed to improve the transportation of commercial freight for short hauls in the city are presented. The performed tasks included the statistical analysis of freight flows; the forecast of the freight flows; a synthesis of a topological stmcture of the urban system of freight transportation and the description of the optimal structure of the truck stock. The conclusions have also been drawn and some recommendations provided.
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Більше джерел

Дисертації з теми "Urban freight transportation"

1

Lindsey, Christopher Lamar. "A framework for integrating freight into MPO transportation planning." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24606.

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2

Luk, Yiu-wah Everett, and 陸耀華. "Potential applications of intelligent transport systems in urban freight transport." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B29851397.

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3

Hossen, Md Shakhawat. "Freight Flow, Pattern and Variable Magnitudes: Ins and Outs of Midwest." University of Toledo / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1501889816604518.

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4

Asuncion, Janice Sy. "The Geographic Adaptive Potential of Freight Transportation and Production System in the Context of Fuel and Emission Constraints." Thesis, University of Canterbury. Department of Mechanical Engineering, 2014. http://hdl.handle.net/10092/9230.

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Анотація:
Freight transportation is an integral element of various supply chains and has a complex and dynamical interrelationship with human economic activities. Modern logistical strategies paved way to the current supply chain organisation and logistics network design resulting in a more global economy and huge economies of scale. Recent trends of volatility of oil price have major implications in the movement of commodities across the supply chains. Likewise, climate change issues have presented urgent challenges in reducing carbon emissions for the transport and logistics sector. Pressure on the sector comes from both governments and consumers alike, demanding future sustainability as well as corporate environmental and social responsibility. The original contribution of this research is to investigate the system-wide dynamics of freight transportation and production in the context of supply chains. A theoretical framework called the ‘Geographic Adaptive Potential’ or GAP is built to understand how constraints in energy and emissions affect the production and distribution of commodities. The changes in the supply chain were investigated in four different components, namely a) the potential to shift to less energy and emissions intensive modes for long-haul freight, b) logistical strategies in the last leg of the chain or urban freight and c) local production and distribution, and d) the accessibility of potential customers to the markets. The design of the GAP components is in correspondence with the links of the supply chain. The analyses yielded an evaluation of the adaptive capacity of the freight transport and production system. For long-haul freight, a GIS-based model was created called the ‘New Zealand Intermodal Freight Network’ or NZIFN. It is an optimisation tool integrating the road, rail and shipping network of New Zealand and calculates that minimum time, operating costs, energy and emissions routes between 2 given locations. The case studies of Auckland to Wellington and Auckland to Christchurch distributions of non-perishable products established that even a marginal increase of rail and coastal shipping share produced around 10% reduction in both freight energy and greenhouse gas emissions. In the study of the last leg of the supply chain, the truck trip generation rates of different food stores were investigated. The strongest factors influencing the trip rates to a store are its size and product variation, the latter being a new parameter introduced in the dissertation. It is defined as the total number of brands for 6 chosen commodities commonly found in the stores. The trip rates together with the truck type and distance travelled were used to compute the freight energy usage of the stores. Results revealed that supermarkets consume the most energy for their delivery operations but relative to its physical size, they are more energy efficient than smaller stores. This is due to the utilisation of advanced logistical strategies such as freight consolidation and the effective use of distribution centres. The localised production chapter was explored in the context of Farmers’ markets and their difference with the conventional supermarket distribution system. Using a freight transport energy audit, the energy intensities of both systems were compared. The findings showed that Farmers’ markets were more energy-intensive than supermarkets owing to the low volumes of goods delivered to the market and the lack of freight consolidation effort in the system. The study on the active mode access of potential customers to both Farmers’ markets and supermarkets captured the interplay between freight and personal transport and is the final component of GAP. The results of the ArcGIS based model called ‘Active Mode Access’ or AMA demonstrated that both Farmers’ markets and supermarkets have the same level of accessibility for walking or biking customers. However, the calculations also showed that almost 87% of New Zealanders have no AMA to stores and are at risk for fuel price increase. Finally, the key result of this dissertation is the assessment that there is actually limited adaptive capacity of the freight transport and production system. This is due to network infrastructure and geographical constraints as well as commodity type and mode compatibility and other operational concerns. Due to these limitations, the GAP model assessed that reduction in energy and allowable emissions will ultimately reduce the amount of commodities moved in the system.
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5

PEREZ, ALDO ELIADES FERNANDEZ. "ORIGIN-DESTINATION MATRICES ESTIMATION FOR FREIGHT VEHICLES FOR THE STUDY OF URBAN TRANSPORTATION MASTER PLAN OF THE METROPOLITAN REGION OF RIO DE JANEIRO (PDTU-RMRJ)." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2014. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=24597@1.

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Анотація:
PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
PROGRAMA DE SUPORTE À PÓS-GRADUAÇÃO DE INSTS. DE ENSINO
A simulação da circulação interna-interna de veículos de carga foi um estudo inédito e inovador para a revisão do Plano Diretor de Transporte Urbano da Região Metropolitana de Rio de Janeiro (PDTU-RMRJ/2011), no qual se faz uma estimação de vetores de produção e atração (P/A) de viagens de caminhões para 730 zonas de tráfego, de matrizes origem-destino (OD) e a alocação de viagens de veículos de carga para três períodos (pico da manhã, pico da tarde e entre picos). A metodologia e modelo utilizados foram baseados em uma aplicação realizada na cidade de Sevilla (Espanha). Para o caso da RMRJ foram estimados vetores de viagens de dois tipos, um com relação às entregas do tipo Empresa a Empresa (Business to Business, B2B) e outro do tipo Empresa a Domicilio (Business to Housing, B2H). Como resultados ilustrativos são mostrados os vetores (P/A) de viagens diárias de caminhões agregados por município, uma matriz OD de caminhões no período entre picos agregada por município e a alocação dessas viagens na rede de simulação do PDTU para o período entre picos. Desses resultados, destaca-se que os municípios com maior quantidade (somam mais de 80 por cento) das viagens produzidas e atraídas dentro da RMRJ são apenas cinco: Rio de Janeiro, Duque de Caxias, Niterói, São Gonçalo e Nova Iguaçu; e que as vias mais utilizadas para o tráfego de caminhões são a BR-101, BR-116 e a BR-040.
Within the framework of the Revision of the Urban Transportation Master Plan for the Rio de Janeiro Metropolitan Region (PDTU-2011) an innovative model was developed – first of its kind in Brazilian cities – for the estimation of truck flows within the study area. Productions and attractions vectors (P/A) of truck trip ends, as well as origin/destination (O/D) matrices for the 730 traffic analysis zones were estimated, and truck assignments for three daily periods (morning peak, afternoon peak, and inter-peaks) were conducted. Model methodology was based in another study conducted for the city of Seville (Spain). Two sets of P/A vectors were estimated, one for business-to-business deliveries (B2B) and another for household deliveries (B2H). Daily truck trip ends P/A vectors aggregated by city are presented, as well as a city level O/D inter-peak truck matrix and the results of its assignment to the PDTU-2011 simulation network. From those illustrative results, it is shown that only five cities (Rio de Janeiro, Duque de Caxias, Niterói, São Gonçalo e Nova Iguaçu) account for more than 80 per cent of truck trips produced and attracted within the Metropolitan Region, and that the most heavily used truck routes are comprised of BR-101, BR-116 and BR-040 expressways.
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6

Griffith, Kyle C. "The Unmaking of an Embargo: How Policy Entrepreneurs at the Individual, State, and National Levels are Creating New Paths for Policy Change in Modern United States-Cuba Relations." ScholarWorks@UNO, 2016. http://scholarworks.uno.edu/td/2148.

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Анотація:
Throughout the Cold War antagonisms of the twentieth century, the United States (US) championed greater global economic cooperation and an embrace of free market principles to encourage economic growth. Post World War II, passage of the Bretton Woods Agreement institutionalized this political agenda effectively establishing the rules of global commerce. The result has been increased economic participation and trade liberalization. One of the last remaining vestiges of Cold War hostility and impediments to trade is the US economic embargo of Cuba, in place since 1960. Increasingly seen as a policy failure, the US has taken steps in the past two years to normalize relations with Cuba. At the same time, after extended conflicts in Afghanistan and Iraq, economic recession, and political polarization over the last fifteen years the US finds itself in a position of ambiguity towards additional foreign commitments. American efforts to open Cuba to two-way commerce serve both national security and economic foreign policy agendas. For Cubans, removal of the embargo represents an opportunity for normal relations with the world’s largest economy and access to capital and markets that come with it. The purpose of this study is to test the theory political economy, which attempts to understand society through the intersection of economic, political, and social functions, using US-Cuba diplomacy as a case study (Yin, 2009). Working within a multiple streams framework, the investigator examined how economic policy is changed under politically ambiguous conditions through a series of 20 semi-structured qualitative interviews and content analysis of secondary data sources (Zahariadis, 2014). Specifically, the study explored the behavior of interested individuals from the US and Cuba, so-called policy entrepreneurs, and their influence on the policymaking process during an open policy window. Research results suggest that policy entrepreneurs operate at the individual, state, and national scales of society using a variety of symbols to create and broaden opportunities for policy change. Across all three levels, US and Cuban policy entrepreneur’s behavior is guided by the search for rationality in ambiguous times, but their agency is bounded by the institutionally determined parameters of what is legally and politically acceptable.
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7

Mourad, Abood. "The synchronization of shared mobility flows in urban environments." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLC041/document.

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Анотація:
Avec l’augmentation progressive de la population dans les grandes villes, comme Paris, nous prévoyons d’ici 2050 une augmentation de 50% du trafic routier. En considérant les embouteillages et la pollution que cette augmentation va générer, on voit clairement la nécessité de nouveaux système de mobilité plus durables, comme le covoiturage, ou plus généralement toute la mobilité partagée. En parlant de mobilité partagée, ce n’est pas seulement le partage de trajets de personnes qui ont le même itinéraire au même temps, elle inclut aussi les marchandises.Cette thèse aborde le défi de la synchronisation des flux de passagers et de marchandises dans les systèmes de mobilité urbaine et elle vis à développer des méthodes d’optimisation pour que cette synchronisation dans la mobilité partagée soit faisable. Plus précisément, elle aborde les questions de recherche suivantes:*Q1: Quelles sont les variantes des systèmes de mobilité partagée et comment les optimiser?*Q2: Comment synchroniser les déplacements de personnes et quels gains cette synchronisation peut-elle générer?*Q3: Comment combiner les flux de passagers et de fret et quels sont les avantages attendus?*Q4: Quels sont les effets de l'incertitude sur la planification et l'exploitation de systèmes de mobilité partagée?Dans un premier temps, nous étudions les différentes variantes des systèmes de mobilité partagée et nous les classifions en fonction de leurs modèles, caractéristiques, approches de résolution et contexte d'application. En se basant sur cette revue de littérature, nous identifions deux problèmes de mobilité partagés, que nous considérons en détails dans cette thèse et nous développons des méthodes d'optimisation pour les résoudre.Pour synchroniser les flux de passagers, nous étudions un modèle de covoiturage en utilisant les véhicules autonomes, personnels et partagés, et des points de rencontre où la synchronisation entre passagers peut avoir lieu. Pour cela, une méthode heuristique en deux phases est proposée et une étude de cas sur la ville de New York est présentée.Ensuite, nous développons un modèle d’optimisation qui combine les flux de passagers et de marchandises dans une région urbaine. Le but de ce modèle est d’utiliser les capacités disponibles sur une ligne de transport fixe pour transporter les passagers et des robots transportant des petits colis à leurs destinations finales en considérant que la demande de passagers est stochastique. Les résultats obtenus montrent que les solutions proposées par ces deux modèles peuvent conduire à une meilleure utilisation des systèmes de transport dans les régions urbaines
The rise of research into shared mobility systems reflects emerging challenges, such as rising urbanization rates, traffic congestion, oil prices and environmental concerns. The operations research community has turned towards more sharable and sustainable systems of transportation. Although shared mobility comes with many benefits, it has some challenges that are restricting its widespread adoption. More research is thus needed towards developing new shared mobility systems so that a better use of the available transportation assets can be obtained.This thesis aims at developing efficient models and optimization approaches for synchronizing people and freight flows in an urban environment. As such, the following research questions are addressed throughout the thesis:*Q1: What are the variants of shared mobility systems and how to optimize them?*Q2: How can people trips be synchronized and what gains can this synchronization yields?*Q3: How can people and freight flows be combined and what are the intended benefits?*Q4: What impacts uncertainty can have on planning and operating shared mobility systems?First, we review different variants of the shared mobility problem where either (i) travelers share their rides, or (ii) the transportation of passengers and freight is combined. We then classify these variants according to their models, solution approaches and application context and We provide a comprehensive overview of the recently published papers and case studies. Based on this review, we identify two shared mobility problems, which we study further in this thesis.Second, we study a ridesharing problem where individually-owned and on-demand autonomous vehicles (AVs) are used for transporting passengers and a set of meeting points is used for synchronizing their trips. We develop a two-phase method (a pre-processing algorithm and a matching optimization problem) for assessing the sharing potential of different AV ownership models, and we evaluate them on a case study for New York City.Then, we present a model that integrates freight deliveries to a scheduled line for people transportation where passengers demand, and thus the available capacity for transporting freight, is assumed to be stochastic. We model this problem as a two-stage stochastic problem and we provide a MIP formulation and a sample average approximation (SAA) method along with an Adaptive Large Neighborhood Search (ALNS) algorithm to solve it. We then analyze the proposed approach as well as the impacts of stochastic passengers demand on such integrated system on a computational study.Finally, we summarize the key findings, highlight the main challenges facing shared mobility systems, and suggest potential directions for future research
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8

Nicolaides, Doros. "Power infrastructure requirements for road transport electrification." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/280689.

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Анотація:
Deep decarbonisation of road transportation is challenging. One of the most potentially beneficial approaches is electrification which is the subject of this PhD thesis. A widespread penetration of electric vehicles (EVs) across a large proportion of road transport demand is needed to realise the benefits of an electrified transport sector. However, this is dependent on overcoming significant barriers. This study performs a systematic analysis of how proven power charging technologies could be used to unlock the barriers to widespread electrification of road transportation. Various road transport sectors and type of journeys are explored including aspects of autonomous operations and novel wireless power transfer technologies. For each operation, a framework is proposed that allows the exploitation of current and potential future electrification technologies to enable shifting towards EVs. Based on that, simulation tools and methods are developed to calculate the power requirements of EVs and determine a suitable charging infrastructure. The additional power demand, electric load and the implications for the electricity supply network are explored. The total expenditure needed and the CO2 emission savings are also calculated for each investigated operation. Transitional strategies include the electrification of bus routes, refuse collection functions, home deliveries and aspects of autonomous operations for public transportation within the boundaries of the cities. In the long-term, focus is given on passenger cars and freight vehicles for both urban and inter-urban journeys. A nationwide adoption of all electrification strategies proposed in this thesis would increase the peak power demand of Great Britain by approximately 38 GW (72% of the current peak) and the electricity consumption by 180 TWh per year (45% of current consumption). The total capital cost required is calculated at £225 billion which is similar to the cost of other large infrastructure projects of the country. The impact would be a significant aggregate saving of approximately 2,000 MtCO2 between the numbers calculated for today's norms (2018) and those calculated for 2050.
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9

Lopez, Clélia. "Modélisation dynamique du trafic et transport de marchandises en ville : vers une approche combinée." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSET009/document.

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Cette thèse propose une modélisation des interactions entre le Transport de Marchandises en Ville (TMV) et la dynamique du trafic. Ces deux composantes, pourtant imbriquées, ne sont que très rarement étudiées simultanément. Plus précisément, cette thèse investigue les impacts du TMV sur les états de trafic ; et inversement, les impacts des états de trafic sur le TMV. Les recherches s’articulent autour de deux axes : le TMV à l’échelle (i) de la livraison et (ii) de la tournée de livraison, et la dynamique du trafic à l’échelle (iii) d’un jour et (iv) d’un catalogue de jours. (i) Le TMV réalisé par des véhicules routiers peut engendrer des formes de congestion, et par conséquent des nuisances sonores et atmosphériques. Néanmoins, il s’agit d’un « mal nécessaire » car le transport de ces marchandises est essentiel pour l’économie des villes. Une pratique courante est la livraison en double file. Ces « stationnements sauvages » réduisent l’écoulement des véhicules dans le réseau de transport. Une étude de sensibilité quantitative en simulation microscopique met en lumière une dégradation significative des états de trafic sur un boulevard urbain à partir d’un faible nombre de stationnements en double file. Ces phénomènes locaux et temporaires semblent essentiels à intégrer dans les simulations du trafic afin d’étudier au mieux les performances globales du système de transport. (ii) Les tournées de livraison planifiées peuvent être améliorées par l’intégration des conditions de circulation. Les algorithmes existants d’optimisation de tournées se basent sur une certaine qualité et quantité de données. Nous investiguons l’influence de plusieurs niveaux de granularité d’information du trafic sur l’ordonnancement optimale des tournées. De plus, nous comparons les temps de parcours estimés par les algorithmes, et les temps de parcours effectifs estimés à l’aide d’une simulation microscopique. Les états de trafic attendus peuvent être sujets à quelques variations. Nous proposons une méthodologie de génération de tournées intégrant de l’incertitude dans la dynamique du trafic. (iii) À l’échelle de la ville, les états de trafic sont naturellement variables, que ce soit dans l’espace ou au cours du temps. Le partitionnement permet de découper un réseau de transport en zones homogènes. Une zone est définie par un ensemble de liens connectés ayant des conditions de circulation similaires. Nous proposons une approche spatio-temporelle définissant des zones en 3 Dimensions (3D). L’idée est de résumer la majeure partie de la dynamique du trafic d’une ville en utilisant peu d’information : la vitesse moyenne par zone spatio-temporelle. Deux familles de méthodes de clustering fondamentalement différentes sont comparées et évaluées. Le cas d’étude est le réseau d’Amsterdam avec des données réelles. (iv) D’un jour à l’autre, la dynamique du trafic peut être similaire. Nous proposons une méthodologie regroupant les jours par leurs motifs de congestion. L’existence d’une régularité dans les motifs journaliers est introduite par la notion de jour-type. Un jour-type est le jour de référence d’un groupe de jours. Nous validons notre modèle en comparant les temps de parcours effectifs et les temps de parcours estimés par les jours-types. Diverses applications peuvent être raffinées à partir de quelques jours-types, comme l’assistance routière et la génération de tournées
This thesis aims to modeling the interactions between the urban freight and the traffic dynamic. Although both are intertwined, they have rarely been studied considering a combined approach. Specifically, the main purpose is to analyze the impacts of the urban freight on traffic states, and vice versa. This research is focused on two axes: the urban freight considering (i) the delivery and (ii) the delivery route scales, and two traffic dynamic scales describing (iii) a day and (iv) a set of days. (i) The delivery of goods carried by vehicles can produce traffic congestion, noise and air pollution. Nevertheless, the transport of goods is essential for the economy of cities. The double parking is a common way for delivery trucks. This illegal parking reduces the vehicle capacity of the transportation network. A sensitivity analysis in traffic microscopic simulation model for urban freight highlight a significant decreasing of the traffic conditions on an urban corridor considering a low number of double parking. These local and temporal phenomena are essential to be integrated into the traffic simulation in order to better study the overall performance of the transportation system. (ii) The delivery route planner can be improved by integrating traffic conditions. The route optimization algorithms are based on quality and quantity of given data available. We investigate the influence of several levels of granularity on traffic information data for the optimal route scheduling. Moreover, the travel time estimated by algorithms and the effective travel time estimated by a microscopic simulation are compared. In addition, the expected traffic conditions can be subject to variations. We propose a methodology of delivery route planner integrating the uncertainty of the traffic dynamics. (iii) At the city level, the traffic conditions are varied through space and time. A partitioning of urban transportation networks makes possible to identify homogeneous zones. A zone is defined by a set of connected links with similar traffic conditions. We proposed a spatial and temporal approach to define the 3D zones. The idea is to summarize the majority of the traffic dynamics of a given city using only a few information: the mean speed per spatial and temporal zone. Two fundamentally different methods of clustering are compared and evaluated. The study case is the Amsterdam network with its real-world traffic data. (iv) From day to day, the traffic dynamic can be similar. We proposed a methodology grouping days by their similar congestion patterns. The existence of a regularity through daily patterns are introduced by consensual speed map. A consensual speed map is the reference day representing a group of days. Our model is validated by using the effective travel time and estimated ones by the consensual speed maps. Numerous applications can be refined from a couple of consensual speed maps, as the route guidance and delivery route planning
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Nefzger, Matthias. "Design and development of a low-cost smartphone-based research platform for real-world driving studies." Thesis, Ludwig-Maximilians University of Munich (LMU), 2017. https://eprints.qut.edu.au/104238/1/MSc%20Thesis%20Matthias%20Nefzger.pdf.

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Naturalistic driving studies as a method to explore driving and driver behaviour in a natural environment have become increasingly popular in road safety research. However, data acquisition systems needed for these studies are expensive and require a profound technical expertise for the installation. This thesis reports on an alternative approach towards more affordable naturalistic driving studies – a smartphone-based system called Sensor Platform that leverages the phone’s sensors as well as external sensors to gather relevant driving data. In close cooperation with road safety experts, this project aimed to specify the requirements for such a system, develop a prototype, and evaluate from an user perspective as well as from a technical point of view. A focus group and an in-vehicle user study were conducted to gather the expert’s feedback. In order to judge the accuracy of Sensor Platform, a comparison to an industry-grade data acquisition system was performed on the real road. The analysis of the study data suggests that road safety experts like the high usability and value the time savings. Yet, in comparison to industry-grade data acquisition systems, Sensor Platform is not on par when it comes to data accuracy, mainly due to simpler filtering algorithms. All in all, the thesis adds to the knowledge of mobile data acquisition systems while also providing a basis for future road safety applications such as real-time interventions.
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Книги з теми "Urban freight transportation"

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Giuliano, Genevieve, Thomas O’Brien, Laetitia Dablanc, and Kevin Holliday. Synthesis of Freight Research in Urban Transportation Planning. Washington, D.C.: Transportation Research Board, 2013. http://dx.doi.org/10.17226/22573.

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Permanent International Association of Road Congresses. Pôles d'intermodalité et développement urbain: Transport interchanges and urban development. [Paris, France: AIPCR-Association mondiale de la Route = PIARC-World Road Association], 2003.

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Systematics, Cambridge, Jack Faucett Associates, Sierra Research (Firm), and United States. Dept. of Transportation., eds. Air quality impacts of intercity freight. Washington, D.C: The Dept., 1997.

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Amity, Trowbridge, Washington (State). Dept. of Transportation., Washington State Transportation Center, and Washington State Transportation Commission, eds. The Potential for freight productivity improvements along urban corridors. [Olympia, Wash.]: Washington State Dept. of Transportation, 1996.

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5

A, Coogan Matthew, Meyer Michael D, National Cooperative Highway Research Program., TransManagement Inc, National Research Council (U.S.). Transportation Research Board., American Association of State Highway and Transportation Officials., and United States. Federal Highway Administration., eds. Innovative practices for multimodal transportation planning for freight and passengers. Washington, D.C: National Academy Press, 1998.

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Organisation for Economic Co-operation and Development. Working Group on Urban Freight Logistics., ed. Delivering the goods: 21st century challenges to urban goods transport. Paris, France: Organisation for Economic Co-operation and Development, 2003.

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Puwein, Wilfried. Transportkosten in der österreichischen Wirtschaft: Studie des Österreichischen Instituts für Wirtschaftsforschung im Auftrag des Bundesministeriums für Wirtschaftliche Angelegenheiten. Wien: WIFO, 2000.

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8

Hesse, Markus. The city as a terminal: The urban context of logistics and freight transport. Burlington, VT: Ashgate, 2008.

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9

Eiichi, Taniguchi, and Thompson Russell G, eds. Innovations in city logistics. New York: Nova Science Pub., 2008.

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Niles, John. Trucks, traffic, and timely transport: A regional freight logistics profile. San Jose, CA: Mineta Transportation Institute, College of Business, San José State University, 2003.

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Частини книг з теми "Urban freight transportation"

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Alho, André Romano, Takanori Sakai, Fang Zhao, Linlin You, Peiyu Jing, Lynette Cheah, Christopher Zegras, and Moshe Ben-Akiva. "Laboratories for Research on Freight Systems and Planning." In Urban Informatics, 171–95. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8983-6_12.

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AbstractAdvancements in information and communication technologies (ICT) and the advent of novel mobility solutions have brought about drastic changes in the urban mobility environment. Pervasive ICT devices acquire new sources of data that can inform detailed transportation simulation models, and are useful in analyzing new policies and technologies. In this context, we developed software laboratories that leverage the latest technological developments and enhance freight research. Future mobility sensing (FMS) is a data-collection platform that integrates tracking devices and mobile apps, a backend with machine-learning technologies and user interfaces to deliver highly accurate and detailed mobility data. The second platform, SimMobility, is an open-source, agent-based urban simulation platform which replicates urban passenger and goods movements in a fully disaggregated manner. The two platforms have been used jointly to advance the state of the art in behavioral modeling for passenger and goods movements. In this chapter, we review recent developments in freight-transportation data-collection techniques, including contributions to transportation modeling, and state-of-the-art transportation models. We then introduce FMS and SimMobility and demonstrate a coordinated application using three examples. Lastly, we highlight potential innovations and future challenges in these research domains.
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Graindorge, Tatiana, and Dominique Breuil. "Evaluation of the Urban Freight Transportation (UFT) Projects." In Towards Innovative Freight and Logistics, 369–84. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119307785.ch25.

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Kant, Goos, Hans Quak, René Peeters, and Tom van Woensel. "Urban Freight Transportation: Challenges, Failures and Successes." In Logistics and Supply Chain Innovation, 127–39. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22288-2_8.

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Prasolenko, Oleksii, Dmytro Burko, and Vitalii Chumachenko. "Changing Drivers’ Cognitive Characteristics at Twilight in Freight Transportation." In Smart Technologies in Urban Engineering, 683–94. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-20141-7_61.

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Thompson, Russell G. "Vehicle Orientated Initiatives for Improving the Environmental Performance of Urban Freight Systems." In Green Logistics and Transportation, 119–29. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17181-4_7.

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Aifadopoulou, Georgia, Iraklis Stamos, Monica Giannini, and Josep-Maria Salanova. "Diagnostic of the European Logistics and Road Freight Transportation Sector." In Data Analytics: Paving the Way to Sustainable Urban Mobility, 647–54. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02305-8_78.

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Šlajus, Šarūnas, and Nijolė Batarlienė. "Investigation of the Possibilities of Optimization of Freight Road Traffic Flows in the Urban Logistics System." In TRANSBALTICA XIII: Transportation Science and Technology, 566–75. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-25863-3_54.

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Kwan, Mei-Po. "Introduction to Urban Systems and Applications." In Urban Informatics, 149–52. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8983-6_10.

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AbstractAs new information technologies and large amounts of data from a wide range of sources become available to government agencies and the public, urban researchers have started to investigate how these data can be used to enhance the planning and management of various urban systems. As a result, new methods for collecting and analyzing complex space–time data about urban systems have been developed to address various urban issues. These urban systems include transportation systems, energy systems, and health systems. In recent years, considerable new work has been conducted to examine how new information technologies and data can enhance our understanding of and ability to address urban issues. The eight chapters in this section present various applications of urban informatics to specific urban systems or phenomena, including human mobility and travel, urban freight systems, urban resilience and disaster response, urban crime, urban governance, the use of remote sensing for environmental monitoring, health and wellbeing, and urban energy systems. All of them emphasize how new, big, or open data are useful for helping us to better understand and manage specific urban systems. They also highlight significant challenges in such applications of urban informatics, which would be particularly helpful to urban researchers and planners.
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Gayialis, Sotiris P., Grigorios D. Konstantakopoulos, and Ilias P. Tatsiopoulos. "Vehicle Routing Problem for Urban Freight Transportation: A Review of the Recent Literature." In Operational Research in the Digital Era – ICT Challenges, 89–104. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95666-4_7.

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Gayialis, Sotiris P., Grigorios D. Konstantakopoulos, Georgios A. Papadopoulos, Evripidis Kechagias, and Stavros T. Ponis. "Developing an Advanced Cloud-Based Vehicle Routing and Scheduling System for Urban Freight Transportation." In Advances in Production Management Systems. Smart Manufacturing for Industry 4.0, 190–97. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99707-0_24.

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Тези доповідей конференцій з теми "Urban freight transportation"

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Dong, Maggie, Varanesh Singh, Diniece Peters, Charles C. N. Ukegbu, Rosanna Collars, Joseph Dack, and Lian Duan. "Towards a Smart Urban Freight Plan." In International Conference on Transportation and Development 2019. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482575.033.

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Thoen, Sebastiaan, Michiel de Bok, and Lorant Tavasszy. "Shipment-based urban freight emission calculation." In 2020 Forum on Integrated and Sustainable Transportation Systems (FISTS). IEEE, 2020. http://dx.doi.org/10.1109/fists46898.2020.9264858.

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Chen, Jiabing, and Haiyan Yi. "Freight Transportation Network Expansion Plan to Meet Urban Logistics." In Fifth International Conference on Transportation Engineering. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479384.345.

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Ma, Liang. "Urban Freight Routing Based on Static User Equilibrium." In 17th COTA International Conference of Transportation Professionals. Reston, VA: American Society of Civil Engineers, 2018. http://dx.doi.org/10.1061/9780784480915.155.

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Zuccotti, Saverio, Alessio Corongiu, Silke Forkert, Ahmed Nasr, Hans Quak, and Cristina Torres. "Integrated infomobility services for urban freight distribution." In 2011 IEEE Forum on Integrated and Sustainable Transportation Systems (FISTS). IEEE, 2011. http://dx.doi.org/10.1109/fists.2011.5973602.

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Venkadavarahan, Marimuthu, and Sankaran Marisamynathan. "Modeling Urban Freight Trip Generation for Pure Receiver Establishment." In 21st COTA International Conference of Transportation Professionals. Reston, VA: American Society of Civil Engineers, 2021. http://dx.doi.org/10.1061/9780784483565.209.

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Sirikijpanichkul, Ackchai, and Luis Ferreira. "Modelling Impacts of Urban Freight Terminal Location Decisions." In Sixth International Conference of Traffic and Transportation Studies Congress (ICTTS). Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40995(322)28.

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Bruning, Matthias, and Werner Schonewolf. "Freight transport system for urban shipment and delivery." In 2011 IEEE Forum on Integrated and Sustainable Transportation Systems (FISTS). IEEE, 2011. http://dx.doi.org/10.1109/fists.2011.5973630.

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Wang, Xiaoxia. "The Trend of Urban Freight Regulatory Path under the Cloud." In Fifth International Conference on Transportation Engineering. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479384.268.

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Zhang, Rong, and Yahui Yao. "Exploring the Impacts of the Built Environment on Urban Freight Generation: A Case Study of Light Freight Vehicles in Shanghai." In 22nd COTA International Conference of Transportation Professionals. Reston, VA: American Society of Civil Engineers, 2022. http://dx.doi.org/10.1061/9780784484265.244.

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Звіти організацій з теми "Urban freight transportation"

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Duvvuri, Sarvani, and Srinivas S. Pulugurtha. Researching Relationships between Truck Travel Time Performance Measures and On-Network and Off-Network Characteristics. Mineta Transportation Institute, July 2021. http://dx.doi.org/10.31979/mti.2021.1946.

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Trucks serve significant amount of freight tonnage and are more susceptible to complex interactions with other vehicles in a traffic stream. While traffic congestion continues to be a significant ‘highway’ problem, delays in truck travel result in loss of revenue to the trucking companies. There is a significant research on the traffic congestion mitigation, but a very few studies focused on data exclusive to trucks. This research is aimed at a regional-level analysis of truck travel time data to identify roads for improving mobility and reducing congestion for truck traffic. The objectives of the research are to compute and evaluate the truck travel time performance measures (by time of the day and day of the week) and use selected truck travel time performance measures to examine their correlation with on-network and off-network characteristics. Truck travel time data for the year 2019 were obtained and processed at the link level for Mecklenburg County, Wake County, and Buncombe County, NC. Various truck travel time performance measures were computed by time of the day and day of the week. Pearson correlation coefficient analysis was performed to select the average travel time (ATT), planning time index (PTI), travel time index (TTI), and buffer time index (BTI) for further analysis. On-network characteristics such as the speed limit, reference speed, annual average daily traffic (AADT), and the number of through lanes were extracted for each link. Similarly, off-network characteristics such as land use and demographic data in the near vicinity of each selected link were captured using 0.25 miles and 0.50 miles as buffer widths. The relationships between the selected truck travel time performance measures and on-network and off-network characteristics were then analyzed using Pearson correlation coefficient analysis. The results indicate that urban areas, high-volume roads, and principal arterial roads are positively correlated with the truck travel time performance measures. Further, the presence of agricultural, light commercial, heavy commercial, light industrial, single-family residential, multi-family residential, office, transportation, and medical land uses increase the truck travel time performance measures (decrease the operational performance). The methodological approach and findings can be used in identifying potential areas to serve as truck priority zones and for planning decentralized delivery locations.
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