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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Análise de corredores prioritários ao ônibus : panorama mundial, clusterização, seleção de variáveis relevantes e relação entre variáveis

Silva, Cristina Albuquerque Moreira da January 2015 (has links)
A prioridade aos sistema de transporte coletivo por ônibus gera inúmeros benefícios operacionais, como menores tempos de viagem, velocidades operacionais mais elevadas, proporcionando, também, melhores condições aos usuários nos seus deslocamentos. Apresenta-se uma caracterização geral de 374 corredores prioritários ao ônibus, incluindo sistemas BRT (Bus Rapid Transit), BHLS (Bus with High Level of Service) e corredores com segregação viária. Análises de clusterização foram usadas para encontrar similaridades entre os diferentes corredores e resultaram na formação de quatro grupos. Verificou-se que as dez características com maior influência para a formação dos agrupamentos consistem de características físicas e operacionais dos corredores. Foi possível identificar características próprias para cada um dos clusters. Para entender o impacto de diferentes elementos de projeto e desempenho dos corredores na velocidade operacional realizou-se análises de relação entre variáveis. / The priority of public transport, more specifically bus systems, generates numerous operational benefits, such as lower travel times, higher operating speeds, as well as offering better conditions for users. A general characterization of the 374 bus priority corridors is presented, including BRT systems (Bus Rapid Transit), BHLS (Bus with High Level of Service) and segregated bus priority corridors. Clustering analyses was used to find out similarities between the different corridors and resulted in the formation of four groups. It was found that the ten most influential characteristics for the formation of the 4 groups consisted of physical and operational characteristics of the corridors. It was possible to identify set of characteristics for each one of the clusters. Relationship between the variables was used to understand the impact of different design elements and performance of bus priority corridors in terms of operational speed.
2

Análise de corredores prioritários ao ônibus : panorama mundial, clusterização, seleção de variáveis relevantes e relação entre variáveis

Silva, Cristina Albuquerque Moreira da January 2015 (has links)
A prioridade aos sistema de transporte coletivo por ônibus gera inúmeros benefícios operacionais, como menores tempos de viagem, velocidades operacionais mais elevadas, proporcionando, também, melhores condições aos usuários nos seus deslocamentos. Apresenta-se uma caracterização geral de 374 corredores prioritários ao ônibus, incluindo sistemas BRT (Bus Rapid Transit), BHLS (Bus with High Level of Service) e corredores com segregação viária. Análises de clusterização foram usadas para encontrar similaridades entre os diferentes corredores e resultaram na formação de quatro grupos. Verificou-se que as dez características com maior influência para a formação dos agrupamentos consistem de características físicas e operacionais dos corredores. Foi possível identificar características próprias para cada um dos clusters. Para entender o impacto de diferentes elementos de projeto e desempenho dos corredores na velocidade operacional realizou-se análises de relação entre variáveis. / The priority of public transport, more specifically bus systems, generates numerous operational benefits, such as lower travel times, higher operating speeds, as well as offering better conditions for users. A general characterization of the 374 bus priority corridors is presented, including BRT systems (Bus Rapid Transit), BHLS (Bus with High Level of Service) and segregated bus priority corridors. Clustering analyses was used to find out similarities between the different corridors and resulted in the formation of four groups. It was found that the ten most influential characteristics for the formation of the 4 groups consisted of physical and operational characteristics of the corridors. It was possible to identify set of characteristics for each one of the clusters. Relationship between the variables was used to understand the impact of different design elements and performance of bus priority corridors in terms of operational speed.
3

Análise de corredores prioritários ao ônibus : panorama mundial, clusterização, seleção de variáveis relevantes e relação entre variáveis

Silva, Cristina Albuquerque Moreira da January 2015 (has links)
A prioridade aos sistema de transporte coletivo por ônibus gera inúmeros benefícios operacionais, como menores tempos de viagem, velocidades operacionais mais elevadas, proporcionando, também, melhores condições aos usuários nos seus deslocamentos. Apresenta-se uma caracterização geral de 374 corredores prioritários ao ônibus, incluindo sistemas BRT (Bus Rapid Transit), BHLS (Bus with High Level of Service) e corredores com segregação viária. Análises de clusterização foram usadas para encontrar similaridades entre os diferentes corredores e resultaram na formação de quatro grupos. Verificou-se que as dez características com maior influência para a formação dos agrupamentos consistem de características físicas e operacionais dos corredores. Foi possível identificar características próprias para cada um dos clusters. Para entender o impacto de diferentes elementos de projeto e desempenho dos corredores na velocidade operacional realizou-se análises de relação entre variáveis. / The priority of public transport, more specifically bus systems, generates numerous operational benefits, such as lower travel times, higher operating speeds, as well as offering better conditions for users. A general characterization of the 374 bus priority corridors is presented, including BRT systems (Bus Rapid Transit), BHLS (Bus with High Level of Service) and segregated bus priority corridors. Clustering analyses was used to find out similarities between the different corridors and resulted in the formation of four groups. It was found that the ten most influential characteristics for the formation of the 4 groups consisted of physical and operational characteristics of the corridors. It was possible to identify set of characteristics for each one of the clusters. Relationship between the variables was used to understand the impact of different design elements and performance of bus priority corridors in terms of operational speed.
4

The potential of a bus rapid transit / buses with high level of service system in metro Atlanta: A suitability and feasibility study

Li, Guanying 22 May 2014 (has links)
The Atlanta Metropolitan Area has been long suffering from traffic congestion, and the ongoing population growth will exacerbate the situation. On the other hand, over half of current transit riders are people from lower-income households and there is a growing senior population more than likely to rely on transit over the next two decades. One way to mitigate congestion and support transit dependent riders at the same time is to promote transit service. Enhanced bus service systems including Bus Rapid Transit (BRT) and Buses with High Level of Service (BHLS) have been gaining popularity across the world, especially in South and East Asia, Latin America, and Europe. While there are also many BRT systems in the United States, only a few of them actually meet the world standards for providing a dedicated bus lane. Even so, case studies show that there are viable alternatives for implementing successful enhanced transit service: • Choosing population-activity concentrated corridor; • Adopting variations of exclusive right-of-way; • Providing long span and high frequency service; and • Using off-board fare collection, among others. Just like the benchmark cases, Metro Atlanta also has corridors with high population density, activity centers, relatively simple straight alignment, but that are currently underserved by bus service. If all the transit agencies, the Georgia Department of Transportation, and City of Atlanta, could work closely with the public to establish an enhanced bus transit system, traffic conditions in Metro Atlanta would be greatly improved.
5

La transformation du boulevard par la création de nouveaux dispositifs de bus : BHNS / BRT / BSP : regards croisés entre la France et la Colombie / The boulevard transformation by the creation of new bus devices : BHLS / BRT / OBS : crossing view methodology between France and Colombia

Diaz Cely, Mélanie 02 July 2014 (has links)
Réalisant un croisement de regards entre l’Europe et l’Amérique Latine, cette thèse étudie le caractère d’un nouveau type de voie - le boulevard - qui a été redéfini à l’occasion des travaux d’Haussmann à Paris et s’est transformé tout au long de ce dernier siècle et demi. Un nouveau type de boulevard s’affirme ainsi au cours du XXe siècle, caractérisé par une répartition de la chaussée favorisant l’ordonnancement des différentes formes de mobilité en couloirs réservés par fonctions (piétons, vélos, bus, voitures). Ce nouveau boulevard est aussi le reflet d’une stéréotypie dans le projet de la voirie résultant d’un aménagement davantage techniciste de l’infrastructure. Il fait référence à des espaces qui adoptent et adaptent des modèles exogènes sans vraiment réussir à produire des configurations urbaines en accord avec les caractéristiques paysagères identitaires des villes, tout en créant des espaces de voirie fragmentés. Au XXIe siècle, cette configuration a été renforcée par l’introduction des nouveaux dispositifs de bus (BSP, BRT, BHNS). Les exemples du boulevard Magenta à Paris transformé en "espace civilisé" et de la avenida de las Américas à Cali avec l’implantation du BRT MIO illustrent cette problématique. / Taking into account different perspectives from Europe and Latin America through a crossing view methodology, we have studied the birth and transformation of a new type of boulevard developed since Haussmann. This boulevard derives from a roadbed distribution favoring the organization of various forms of mobility into dedicated corridors according to their function (pedestrians, bicycles, buses, cars). It also reflects a form of stereotyping in the urban project, contributing to an even more technical street planning. It refers to a road space pretending to adopt and adapt exogenous models without really succeeding on producing urban configurations in accordance with the city’s particular landscape, whilst creating fragmented road spaces. In the 21st century, this composition has been reinforced by the introduction of new bus devices (own-site bus service, BRT, BHLS). The example of the Magenta Boulevard in Paris transformed into a civilized space and the las Américas avenue in Cali with the introduction of the MIO BRT illustrate this issue.

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