An Analysis of Error Propagation in Transportation Network Equilibrium Models PDF Download
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Author: Geoffrey Rose
Publisher:
ISBN:
Category : Network analysis (Planning)
Languages : en
Pages : 608
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Author: Geoffrey Rose
Publisher:
ISBN:
Category : Network analysis (Planning)
Languages : en
Pages : 608
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Author: Yong Zhao
Publisher:
ISBN:
Category : Traffic estimation
Languages : en
Pages : 52
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Book Description
The future operations of transportation systems involve enormous uncertainty - in both input and model parameters. This work investigates the stability of contemporary transport demand model output by quantifying variability in model input, such as zonal socioeconomic data and trip generation rates. It simulates the propagation of their variation through a series of common demand models over a simplified twenty-five-zone network. The results suggest that uncertainty may be compounded over a series of models and highly correlated across output. The propagated uncertainty varies remarkably in link flows, thus, some link flows may be more uncertain than others. The final step model, trip assignment, may reduce prior increased uncertainty through the first three steps, but generally could not lessen the uncertainty lower than the input uncertainty. Mispredictions at early stages (e.g., trip generation) in multi-stage models appear to amplify across later stages; thus, improvements to these models and their estimates are sorely needed.
Author: Nathan H. Gartner
Publisher: Elsevier Publishing Company
ISBN:
Category : Business & Economics
Languages : en
Pages : 536
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Author:
Publisher:
ISBN:
Category : Highway research
Languages : en
Pages : 436
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Author:
Publisher:
ISBN:
Category : Dissertation abstracts
Languages : en
Pages : 696
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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 984
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Author:
Publisher:
ISBN:
Category : Public administration
Languages : en
Pages : 526
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Author: Roger Stough
Publisher: Edward Elgar Publishing
ISBN:
Category : Business & Economics
Languages : en
Pages : 680
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Book Description
The subjects of transport and information systems have long been closely linked because they are both complements and substitutes for each other and thus offer potential for more efficient and productive traffic demand management. This important new collection examines the substitution and complementarity hypotheses as well as the impact of new information technology on transport and the increasing adoption of information technology in transportation systems. The volume is organised into five sections. Part I offers a history and overview of the subject, while part II examines the welfare implications of information provision for traffic demand management. Part III discusses the network analysis of intelligent transportation systems and part IV investigates the spatial impacts of information technology and telecommuting. Finally part V looks in detail at case studies. This fascinating new collection will be an essential source of reference to scholars, practitioners and students interested in the subjects of transport and information systems.
Author:
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ISBN:
Category : Weights and measures
Languages : en
Pages : 476
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 692
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