نتایج جستجو برای: urban transportation network

تعداد نتایج: 875965  

2011
Krystal Elaine Knight

Loss of mobility in older adults (65 and older) is associated with falling, loss of independence, and mortality. This paper, which to the author's knowledge is the first of its kind, summarizes findings of Federally Qualified Health Center (FQHC) case reports and how FQHCs minimize the impacts of mobility loss in older adult patients (who would not receive primary services without these transpo...

2015
Erez Shmueli Itzik Mazeh Laura Radaelli Alex Pentland Yaniv Altshuler

Ride sharing’s potential to improve traffic congestion as well as assist in reducing CO2 emission and fuel consumption was recently demonstrated by works such as [1]. Furthermore, it was shown that ride sharing can be implemented within a sound economic regime, providing values for all participants (e.g., Uber). Better understanding the utilization of ride sharing can help policy makers and urb...

2017
Yang Liu Xuedong Yan Yun Wang Zhuo Yang Jiawei Wu Bhavik Bakshi

Traffic congestion is one of the most serious problems that impact urban transportation efficiency, especially in big cities. Identifying traffic congestion locations and occurring patterns is a prerequisite for urban transportation managers in order to take proper countermeasures for mitigating traffic congestion. In this study, the historical GPS sensing data of about 12,000 taxi floating car...

2011
Carlos F. Daganzo Eric J. Gonzales Vikash V. Gayah

It has recently been demonstrated, both theoretically and experimentally, that the average flow and density of some urban traffic networks is related by a unique, reproducible curve known as the Macroscopic Fundamental Diagram (MFD). For networks in which vehicles cannot adaptively re-route to avoid congestion, this relationship is robust only when there are few vehicles on the network. As thes...

2016
Vukan R. Vuchic

Transportation has historically had a major influence on cities their locations, growth and form. Civil engineers were the leading public servants in construction of railway and transit systems. With diversification of transportation and, particularly, growth of highways, the solutions to urban transportation have become extremely complex. Instead of only building new facilities, it is now nece...

2015
G. Y. Liu Z. F. Yang B. Chen Y. Zhang

Analyzing the structure and functioning of the urban system revealed ways to optimize its structure by adjusting the relationships among compartments, thereby demonstrating how ecological network analysis can be used in urban system research. Based on the account of the extended exergy utilization in the sector of urban socio-economic system, which is considered as the composition of extraction...

Journal: :international journal of architecture and urban development 2013
seyed majid mofidi shemirani navid saeidi rezvani seyed mostafa razavi

walking has always been the most natural, the oldest, and the most essential form of transportation and is still major form of moving, hence, it plays a vital rule in urban transportation. in fact, walking is the most important tool for seeing, being seen, observing city wide daily and social activities, discovering the values and hidden attractions in urban environment, and therefore, feeling ...

2000
Bryn Sadownik Mark Jaccard

Chinese cities are experiencing major environmental e!ects from fossil fuel-based energy consumption for mainly residential and, increasingly, urban transportation uses. Community energy management (CEM) is a sustainable energy strategy which looks at how purposely shaping the built environment and designing urban services in consideration of energy production, distribution and use could a!ect ...

2006
Pavlos S. Kanaroglou Ronald N. Buliung

Metropolitan scale studies of transport-based air pollution have emphasized inputs from the passenger vehicle fleet, with minimal attention given to the role of urban goods movement. Furthermore, little is known about the spatial distribution of transport related emissions. This study uses an integrated urban land use and transport model (IMULATE) for Hamilton, Canada, to examine the contributi...

Journal: :ISPRS Int. J. Geo-Information 2016
Yikang Du Jane Law

The relationship between vegetation, transportation networks, and crime has been under debate. Vegetation has been positively correlated with fear of crime; however, the actual correlation between vegetation and occurrences of crime is uncertain. Transportation networks have also been connected with crime occurrence but their impact on crime tends to vary over different circumstances. By conduc...

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