Increasing Freeway Merge Capacity Through On Ramp Metering
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Increasing Freeway Merge Capacity Through On Ramp Metering
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Author : Jittichai Rudjanakanoknad
language : en
Publisher:
Release Date : 2005
Increasing Freeway Merge Capacity Through On Ramp Metering written by Jittichai Rudjanakanoknad and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Dissertations, Academic categories.
Increasing Capacity Of An Isolated Merge By Metering Its On Ramp
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Author : Michael James Cassidy
language : en
Publisher:
Release Date : 2004
Increasing Capacity Of An Isolated Merge By Metering Its On Ramp written by Michael James Cassidy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Highway capacity categories.
Measurements taken downstream of freeway/on-ramp merges have verified that discharge flow diminishes when a merge becomes an active bottleneck. We show that metering the on-ramp can recover the higher discharge flow and thereby increase merge capacity. Detailed observations collected using video revealed that the outflow drop following activation was triggered by a queue that formed near the merge in the freeway shoulder lane and then spread laterally, as drivers changed lanes to maneuver around slow traffic. Once restrictive metering mitigated this shoulder lane queue, high outflows often returned to the median lane. Merge outflow could be increased to levels measured prior to the bottleneck activation by then relaxing the metering rate so that inflows from the on-ramp increased. Although outflows recovered in this fashion were unstable and never persisted for periods greater than 13 mins, the findings are the first real evidence that ramp metering can favorably affect the capacity of an isolated merge. The findings point to control strategies that might stabilize outflow and increase merge capacity even more.
Use Of Shoulders And Narrow Lanes To Increase Freeway Capacity
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Author : J. E. Curren
language : en
Publisher: Transportation Research Board
Release Date : 1995
Use Of Shoulders And Narrow Lanes To Increase Freeway Capacity written by J. E. Curren and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Technology & Engineering categories.
Evaluation Of Freeway High Occupancy Vehicle Lanes And Ramp Metering
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Author :
language : en
Publisher:
Release Date : 1980
Evaluation Of Freeway High Occupancy Vehicle Lanes And Ramp Metering written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Car pools categories.
Intelligent Freeway Transportation Systems
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Author : Robert Gordon
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-10-06
Intelligent Freeway Transportation Systems written by Robert Gordon and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-10-06 with Technology & Engineering categories.
Intelligent Freeway Transportation Systems: Functional Design focuses on the efficient use of resources in the design of ITS. It discusses the principles of top down design starting with objectives and requirements, and provides guidance for the development and evaluation of functional design alternatives according to cost effectiveness principles. It shows how transportation planning principles such as Wardrop’s Laws and traffic diversion principles relate to functional ITS device selections and equipment locations. Methodologies for translating objectives to functional device types are provided. Application factors to identify device deployment densities (e.g. number of detectors per mile) as a function of traffic conditions are provided, as are evaluation models for evaluating the benefits of design alternatives based on traffic conditions. Design guidance and benefits evaluation include the following functions: (1) Non-recurrent congestion – Improvement of incident clearance time, (2) Non recurrent congestion – Incident information to motorists, (3) Recurrent congestion – Information to motorists, (4) Ramp metering, (5) Motorist service patrols.
Evaluation Of The Two Capacity Phenomenon As A Basis For Ramp Metering
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Author : James H. Banks
language : en
Publisher:
Release Date : 1990
Evaluation Of The Two Capacity Phenomenon As A Basis For Ramp Metering written by James H. Banks and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Express highways categories.
Feedback Ramp Metering In Intelligent Transportation Systems
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Author : Pushkin Kachroo
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-06-27
Feedback Ramp Metering In Intelligent Transportation Systems written by Pushkin Kachroo and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-27 with Technology & Engineering categories.
Feedback Ramp Metering in Intelligent Transportation Systems is the first book on the topic of using feedback control (also called real-time traffic control or adaptive control by some traffic engineers) in ramp metering. It provides traffic theory fundamentals and then the design of feedback controllers for isolated and coordinated ramp metering problems. Software simulation code in Matlab and Paramics is provided in the book so that the reader can get a hands-on feel for the various algorithms. With a large number of examples, illustrations, and original problems, this book is excellent as a textbook or reference book for a senior or graduate level course on the subject, as well as a reference for researchers in related fields.
On Ramp Metering And Commuter Delay
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Author : Kwangho Kim
language : en
Publisher:
Release Date : 2010
On Ramp Metering And Commuter Delay written by Kwangho Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Ramp metering (Traffic engineering) categories.
Urban Freeway Surveillance And Control
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Author : Paul F. Everall
language : en
Publisher:
Release Date : 1973
Urban Freeway Surveillance And Control written by Paul F. Everall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Crime categories.
Highway Safety Design And Operations Guide 1997
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Author :
language : en
Publisher: AASHTO
Release Date : 1997
Highway Safety Design And Operations Guide 1997 written by and has been published by AASHTO this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Health & Fitness categories.
A replacement to the publication entitled 'Highway design and operational practices related to highway safety', also known as 'The Yellow Book', and most recently published in 1974.