Measuring Recurrent and Non-recurrent Traffic Congestion PDF Download
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Author: Alexander Skabardonis
Publisher:
ISBN:
Category : Traffic congestion
Languages : en
Pages : 24
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Book Description
The paper describes a methodology and its application to measure total, recurrent, and non-recurrent (incident related) delay on urban freeways. The methodology uses data from loop detectors and calculates the average and the probability distribution of delays. Application of the methodology to two real-life freeway corridorsone in Los Angeles and the other in the Bay Areaindicates that reliable measurement of congestion should also provide measures of uncertainty in congestion. In the two applications, incident-related delay is found to be between 13 to 30 percent of the total congestion delay during peak periods. The methodology also quantifies the congestion impacts on travel time and travel time variability.
Author: Alexander Skabardonis
Publisher:
ISBN:
Category : Traffic congestion
Languages : en
Pages : 24
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Book Description
The paper describes a methodology and its application to measure total, recurrent, and non-recurrent (incident related) delay on urban freeways. The methodology uses data from loop detectors and calculates the average and the probability distribution of delays. Application of the methodology to two real-life freeway corridorsone in Los Angeles and the other in the Bay Areaindicates that reliable measurement of congestion should also provide measures of uncertainty in congestion. In the two applications, incident-related delay is found to be between 13 to 30 percent of the total congestion delay during peak periods. The methodology also quantifies the congestion impacts on travel time and travel time variability.
Author:
Publisher:
ISBN:
Category : Traffic congestion
Languages : en
Pages : 198
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Book Description
Author: Mark E. Hallenbeck
Publisher:
ISBN:
Category : Traffic congestion
Languages : en
Pages : 42
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Book Description
This report documents the technical results of a WSDOT-sponsored research effort to determine the nature and cause of congestion on Seattle-area freeways based on an analysis of available databases of traffic incidents and freeway performance. The focus of this effort was to develop a methodology for estimating freeway congestion as a function of its estimated cause (principally, its recurring or nonrecurring nature) by using readily available data, as well as to develop, implement, and use a prototype tool set that would apply that methodology. The resulting methodology and tool set produce estimates of congestion (delay) associated with recurring and non-recurring conditions as a function of various user-specified parameters and assumptions. The method is able to analyze Seattle area corridors using data from existing databases. The process makes extensive use of the TRAC-FLOW analysis process, as well as supplementary prototype tools.
Author: Marcello G. Ferri
Publisher:
ISBN:
Category : Intelligent transportation systems
Languages : en
Pages : 98
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Book Description
Traffic congestion is one of the most concerning issues in the transportation system. Recurrent congestion and non-recurrent congestion are explored in this research. This research will investigate one of the most concerning issues with the transportation system, congestion, using an overall delay analysis study. A developed fused database program was used to access and analyze the complete database data. Two online databases were used for obtaining traffic, incident and weather data. Eleven different scenarios such as peak-hours, rain scenario, incidents scenario, and work zone scenario were developed for the analysis. An overall delay study was performed on all scenarios to find the impact recurring and non-recurring congestion on the highway. The results of this research were interesting for future adjustment and improvements on the two segments of highways selected.
Author: Daniel J. Dailey
Publisher:
ISBN:
Category : Traffic congestion
Languages : en
Pages : 52
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Book Description
Author: Ingrid B. Potts, Douglas W. Harwood, Jessica M. Hutton, Chris A. Fees, Karin M. Bauer, Lindsay M. Lucas, Christopher S. Kinzel and Robert J. Frazier
Publisher: Transportation Research Board
ISBN: 0309274389
Category :
Languages : en
Pages : 201
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Book Description
This report from the second Strategic Highway Research Program (SHRP 2), which is administered by the Transportation Research Board of the National Academies, focuses on geometric design treatments that can be used to reduce delays due to nonrecurrent congestion.
Author:
Publisher:
ISBN:
Category : Express highways
Languages : en
Pages : 68
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Book Description
Author: B. Anbaroglu
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Amy Epps
Publisher:
ISBN:
Category : Traffic congestion
Languages : en
Pages : 256
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Author: Mousa F. Abbasi
Publisher:
ISBN:
Category : Traffic congestion
Languages : en
Pages : 246
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Book Description
