An Analysis of HOV Lanes PDF Download
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Author: Monica Menendez
Publisher:
ISBN:
Category :
Languages : en
Pages : 242
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Author: Monica Menendez
Publisher:
ISBN:
Category :
Languages : en
Pages : 242
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Author:
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ISBN:
Category : Car pools
Languages : en
Pages : 148
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Author: Joy Wilbrand Dahlgren
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 418
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Author: Basheer Mohammed
Publisher:
ISBN:
Category :
Languages : en
Pages :
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High-occupancy vehicle (HOV) lanes have evolved as an important transportation supply management strategy for reducing peak-period traffic congestion in many urban areas. In HOV lane planning initiatives, accurate estimation of the travel time differentials between HOV Lanes and the adjacent general-purpose (GP) lanes is crucial in projecting the potential mode shift from solo driving to high-occupancy vehicles. Microsimulation-based operational analysis of traffic provides a promising approach to compute these travel time differentials more efficiently. In addition, microsimulation-based analysis provides the opportunity to evaluate the impacts of HOV lane implementation at a more disaggregate, section-by-section, basis in a corridor. In this research project, an HOV lane treatment plan for Highway 401 in Toronto was developed using the above approach based on a comparative operational analysis of three improvement scenarios. The research results showed the usefulness of microsimulation for evaluating HOV lane improvement options for large freeways on a section-by-section basis.
Author:
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Category : Express highways
Languages : en
Pages : 24
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Author: John W. Billheimer
Publisher:
ISBN:
Category : Automobile drivers
Languages : en
Pages : 236
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Category : Car pools
Languages : en
Pages : 84
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Author: Kanok Boriboonsomsin
Publisher:
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Category : Automobiles
Languages : en
Pages : 54
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Author: Ming-Hsun Yang
Publisher:
ISBN: 9781267356598
Category :
Languages : en
Pages : 49
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This thesis focuses on the operational analysis, evaluation, and comparison between freeways with limited access HOV (High Occupancy Vehicle) lanes and those with continuous access HOV lanes. The study site is the SR-55 and SR-57 freeways in Orange County, California, which are managed by Caltrans District 12. The study focuses on a comparison of before and after volume-occupancy traffic-flow fundamental diagrams and the parameters derived from these diagrams. Determining critical occupancy and critical volume--both of which have heretofore been subjective due to noisy data and subject to traffic engineers' experience--is crucial to this analysis. To both remove the data collection labor and subjectivity associate with quantifying critical occupancy and volume, a Bayesian approach is proposed to develop a tool to systematically find the critical occupancy and critical volume by Markov chain Monte Carlo methods combined with piecewise linear regression. This research found two main results. First, freeway's performance after conversion from limited-access HOV facility to continuous-access HOV facility is uncertain. For the two study sites, SR-55 performed better, but SR-57 performed worse after conversion. Second, a common characteristic for the continuous-access HOV facility is that the shockwave speed became faster with conversion, which may cause the slow-down area in the upstream to be more extensive.
Author: Katherine F. Turnbull
Publisher: Transportation Research Board
ISBN: 9780309063012
Category : Technology & Engineering
Languages : en
Pages : 60
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