Towards An Efficient And Equitable Motorway System Using Ramp Metering And Variable Speed Limits
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Towards An Efficient And Equitable Motorway System Using Ramp Metering And Variable Speed Limits
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Author : Duo Li
language : en
Publisher:
Release Date : 2015
Towards An Efficient And Equitable Motorway System Using Ramp Metering And Variable Speed Limits written by Duo Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Express highways categories.
Ramp metering (RM) and variable speed limits (VSL) are two important ITS tools aimed at improving the performance of motorway systems. The former improves the traffic flow conditions on motorway by limiting the inflow of vehicles from on-ramps; while the latter harmonizes the traffic flow on a motorway mainline by minimizing the variation in speed of vehicles obeying the VSL display. The main goal of this research is to improve the efficiency and equity performance of motorway systems using RM and VSL control measures. A number of RM and VSL control algorithms are proposed in this thesis to achieve this goal. They are assessed for a critical bottleneck section of Auckland Motorway using micro-simulation software AIMSUN. First of all, two existing RM algorithms are assessed namely: ALINEA and HERO. HERO outperformed ALINEA in terms of efficiency and equity benefits. Then, a logic tree based VSL control algorithm is also assessed. The results revealed that the existing logic tree based VSL algorithm cannot improve significantly mobility performance of motorway systems and is rather rough for the speed control. Two alternative VSL control algorithms are proposed namely: a modified logic tree based controller and a fuzzy logic based controller. Both utilize optimized control logics and detector-controller configurations. The proposed algorithms outperformed the existing one in terms of their mobility benefits. In the next step, an integrated RM and VSL control method is proposed to preserve the traffic flow at bottlenecks close to their capacity and avoid excessive delays at on-ramps. The integrated method shows prospect to improve further efficiency and equity performance of motorway systems than operating the RM and VSL controllers independently. Finally, the relationship between efficiency and equity is investigated using a modified HERO strategy; this is aimed at achieving a balance between efficiency and equity gains from RM control. A combined index is proposed combining Gini coefficient and total travel time into one index, which can serve as an objective function to solve the bi-objective control design problem.
Handbook On Climate Change And Technology
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Author : Frauke Urban
language : en
Publisher: Edward Elgar Publishing
Release Date : 2023-12-11
Handbook On Climate Change And Technology written by Frauke Urban and has been published by Edward Elgar Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-11 with Science categories.
This timely Handbook presents the latest knowledge on technological innovation for climate change mitigation and adaptation. Looking beyond technical fixes, it further draws on economics, politics and sociology to explore how modern technology can contribute to effective and socially just sustainability transitions.
Planning Report
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Author : Southeastern Wisconsin Regional Planning Commission
language : en
Publisher:
Release Date : 2006
Planning Report written by Southeastern Wisconsin Regional Planning Commission and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Regional planning categories.
Smart Mobility
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Author : Bob McQueen
language : en
Publisher: John Wiley & Sons
Release Date : 2024-08-20
Smart Mobility written by Bob McQueen and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-20 with Technology & Engineering categories.
Comprehensive learning resource providing a framework for successful application of advanced transportation technologies in urban areas Smart Mobility: Using Technology to Improve Transportation in Smart Cities addresses the nature and characteristics of smart cities, providing a focus on smart mobility within urban areas and the opportunities and challenges associated with the application of advanced transportation technologies. The three highly qualified authors include an emphasis on decarbonization possibilities and the potential for smart mobility to reduce emissions and fuel consumption while optimizing modal use, along with risk identification and management using a structured approach. A focus is also placed on the need for end-to-end travel support from origin to ultimate destination, reflecting consumer needs for comprehensive decision support and travel support services. Overall, Smart Mobility provides a framework, planning, and KPIs for smart mobility success and explains how effective performance management can be enabled. Additional topics covered in this modern and thought-provoking work include: Policies and strategies associated with smart mobility, including a description of the organizational arrangements required to support smart mobility technologies The definition of appropriate institutional, funding, and commercial arrangements to assist interested practitioners to solve what is often their biggest challenge Coverage of smart mobility operational management, explaining the likely impact of smart mobility on transportation operations How to attain balance between transportation objectives and the avoidance of undesirable side effects such as congestion For public and private sector professionals in the smart mobility community, Smart Mobility is an essential and easy-to-understand learning resource that will help readers comprehend the state-of-the-art progress in the field and be prepared for future advancements in this important and rapidly-developing industry.
Developing An Area Wide System For Coordinated Ramp Meter Control
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Author : Yinhai Wang
language : en
Publisher:
Release Date : 2008
Developing An Area Wide System For Coordinated Ramp Meter Control written by Yinhai Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Ramp-freeway junctions categories.
A Regional Transportation System Plan For Southeastern Wisconsin 2035
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Author :
language : en
Publisher:
Release Date : 2006
A Regional Transportation System Plan For Southeastern Wisconsin 2035 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Highway planning categories.
"Fifth-generation" regional transportation system plan for Southeastern Wisconsin. Recommendations in this report set forth a new transportation system for the seven county region, addressing both highway and transit needs.
Routledge Handbook Of Transportation
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Author : Dusan Teodorovic
language : en
Publisher: Routledge
Release Date : 2015-08-20
Routledge Handbook Of Transportation written by Dusan Teodorovic and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-20 with Architecture categories.
The Routledge Handbook of Transportation offers a current and comprehensive survey of transportation planning and engineering research. It provides a step-by-step introduction to research related to traffic engineering and control, transportation planning, and performance measurement and evaluation of transportation alternatives. The Handbook of Transportation demonstrates models and methods for predicting travel and freight demand, planning future transportation networks, and developing traffic control systems. Readers will learn how to use various engineering concepts and approaches to make future transportation safer, more efficient, and more sustainable. Edited by Dušan Teodorović and featuring 29 chapters from more than 50 leading global experts, with more than 200 illustrations, the Routledge Handbook of Transportation is designed as an invaluable resource for professionals and students in transportation planning and engineering.
Traffic Control Systems Handbook
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Author :
language : en
Publisher:
Release Date : 1996
Traffic Control Systems Handbook written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Detectors categories.
This "Traffic Control Systems Handbook" updates the 1985 edition (FHWA-IP-85-11; TRIS 00475445) and broadens the scope to include Intelligent Transportation Systems (ITS) technology and concepts. The Handbook recommends decision-making processes in selection, implementation and operations of a traffic control system and describes ITS plans and programs. The "Traffic Control Systems Handbook": serves as a basic reference in planning, designing and implementing effective traffic control systems; provides an updated compendium of existing traffic control technology for the advanced designer and user; describes existing and evolving traffic control system technology; and aids understanding and facilitates training in the traffic control system field.
Traffic Engineering Handbook
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Author : James L. Pline
language : en
Publisher: Prentice Hall
Release Date : 1992
Traffic Engineering Handbook written by James L. Pline and has been published by Prentice Hall this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Technology & Engineering categories.
A reference work offering information on the basic principles and the proven techniques of traffic engineering.
Highway Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1993
Highway Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Highway engineering categories.