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Keyju Lee and Junjae Chae
The vehicle routing problem (VRP) attempts to find optimal (minimum length) routes for a set of vehicles visiting a set of locations. Solving a VRP calls for a cost matrix between locations. The size of the matrix grows quadratically with an increasing n...
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Alessandro Rasulo, Sofia Nardoianni, Azzurra Evangelisti and Mauro D?Apuzzo
Transportation networks are one of the most vulnerable civil infrastructures during an earthquake and an estimation of traffic impacts in the post-earthquake scenario is a crucial aspect in the context of risk assessment and evaluation of remedial measur...
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Peter Förster, Bekir Yildiz, Thomas Feuerle and Peter Hecker
Aircraft emissions represent a relevant amount of human induced CO2. Globally, up to 2.5 per cent of such emissions stem from the aviation industry. In order to investigate the effects within the atmosphere, realistic flight profiles are necessary to pro...
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Nima Hoseinzadeh, Yangsong Gu, Lee D. Han, Candace Brakewood and Phillip B. Freeze
In traffic operations, the aim of transportation agencies and researchers is typically to reduce congestion and improve safety. To attain these goals, agencies need continuous and accurate information about the traffic situation. Level-of-Service (LOS) i...
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Xinxin Zhou, Zhaoyuan Yu, Linwang Yuan, Lei Wang and Changbin Wu
Accessibility research of healthcare facilities is developing towards multiple transportation modes (MTM), which are influenced by residential transportation choices and preferences. Due to differences in travel impact factors such as traffic conditions,...
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Tongzhou Bai, Xuemei Li, Zhiyuan Sun
Pág. 2649 - 2659
Residence mode choice behavior is affected by various factors, and research on the effects of travel cost would give valuable guidance in making cost-related travel demand management policy. Logit models are widely used in mode choice analysis and this p...
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Lei Zhang, David M Levinson
This paper analyzes the relationship between network supply and travel demand and describes a road development and degeneration mechanism microscopically at the link (road-segment) level. A simulation model of transportation network dynamics is developed...
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Ana Rivas, Inmaculada Gallego, Santos Sánchez-Cambronero, Rosa M. Barba, Lidia Ruiz-Ripoll
Pág. 332 - 340
This paper presents a methodology for the dynamic estimation of traffic flows on all links of a network from observable field data assuming the first-in-first-out (FIFO) hypothesis. The traffic flow intensities recorded at the exit of the scanned links a...
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F. Soriguera, M. Martínez-Díaz, I. Pérez
Pág. 44 - 50
Travel time is probably the most important indicator of highway level of service, and it is also the most appreciated information for highway users. Administrations and private companies make increasing efforts to improve its real time estimation. The ap...
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Satyakumar, M.,Anil, R.,Sivakumar, B.
Pág. 33 - 39
Conventional data collection methods lack real time information and involve excessive cost of installation and maintenance. A real-time, low cost travel time data collection system can be developed using mobile phones. This project examines the use of mo...
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