Preparing to Use Vehicle Infrastructure Integration (VII) in Transportation Operations PDF Download
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Author:
Publisher:
ISBN:
Category : Intelligent transportation systems
Languages : en
Pages : 12
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Book Description
Vehicle infrastructure integration (VII) is an emerging approach intended to create an enabling communication capability to support vehicle-to-vehicle and vehicle-to-infrastructure communications for safety and mobility applications. The Virginia Department of Transportation (VDOT) has been an active participant in the national VII development effort. This research project critically assessed national development activities and quantitatively evaluated two potential VII-enabled system operation applications: traffic monitoring and signal control. The results of the research effort provide tangible evidence of the potential that VII holds in helping VDOT improve its ability to operate the transportation system. The benefits demonstrated in traffic monitoring and signal control indicate that VDOT should remain active in VII development. However, the research results also illustrate the uncertainty that currently exists in the national VII development effort. Because of this uncertainty, large investments in field deployment of "early" VII equipment were found to constitute an unnecessarily risky action. The results of the research support the conclusion that VDOT should partner with other states and the U.S. Department of Transportation to develop the new generations of system operations applications that will take full advantage of VII capabilities once the technology development converges at the national level. In addition, VDOT should critically examine current equipment standards to ensure that new purchases of items, such as traffic signal controllers, provide the flexibility for VII upgrades in the near future.
Author:
Publisher:
ISBN:
Category : Intelligent transportation systems
Languages : en
Pages : 12
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Book Description
Vehicle infrastructure integration (VII) is an emerging approach intended to create an enabling communication capability to support vehicle-to-vehicle and vehicle-to-infrastructure communications for safety and mobility applications. The Virginia Department of Transportation (VDOT) has been an active participant in the national VII development effort. This research project critically assessed national development activities and quantitatively evaluated two potential VII-enabled system operation applications: traffic monitoring and signal control. The results of the research effort provide tangible evidence of the potential that VII holds in helping VDOT improve its ability to operate the transportation system. The benefits demonstrated in traffic monitoring and signal control indicate that VDOT should remain active in VII development. However, the research results also illustrate the uncertainty that currently exists in the national VII development effort. Because of this uncertainty, large investments in field deployment of "early" VII equipment were found to constitute an unnecessarily risky action. The results of the research support the conclusion that VDOT should partner with other states and the U.S. Department of Transportation to develop the new generations of system operations applications that will take full advantage of VII capabilities once the technology development converges at the national level. In addition, VDOT should critically examine current equipment standards to ensure that new purchases of items, such as traffic signal controllers, provide the flexibility for VII upgrades in the near future.
Author:
Publisher:
ISBN:
Category : Highway communications
Languages : en
Pages : 14
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Book Description
The close integration of vehicles and the infrastructure in the surface transportation system has been envisioned for years, but recent advances in wireless communications has made such integration feasible. Given this feasibility, a coalition of the public and private sectors is currently exploring the national deployment of vehicle infrastructure integration (VII), based on the relatively new Dedicated Short Range Communications (DSRC) standard. The Virginia Department of Transportation (VDOT) is a member of this coalition, known as the National VII Coalition. Most of the effort at the national level is focused on technology aspects and study of safety benefits. In order to best inform design, deployment and operations decisions, it is also necessary to fully evaluate potential VII-enabled operations applications. This research effort focused on the development of a simulation environment to model VII and associated operations applications. This model was then used to begin to explore implications of VII design decisions on the potential for VII to support traffic operations. A major contribution of this research was the development of a high resolution VII/traffic simulation environment. This environment uses AIMSUN for traffic simulation, integrated with custom code that emulates VII functionality. Using this model, VII roadside units (RSUs) were "placed" based on guidance from VII architecture and the extent of VII coverage was determined. A prototype traffic monitoring application was developed and evaluated for various penetration rates of VII equipped vehicles on an urban traffic network in the Tysons Corner area. The results of this study identify the important factors that influence the benefits that VII can provide for traffic monitoring. It was found from this study that based on current guidance in the VII Architecture, roughly 55% of the sections in the network would be within the direct range of an RSU. The accuracy and coverage analysis of the network illustrated that, based on the current VII architecture, around 60% of the network could be "covered" at low penetration rates. The error range for mean speed estimation was in range of 2.5 to 4 mph, even at very low VII penetration rates. Based on these findings, it is clear that potential benefits of VII are significant. However, given the sensitivity of the benefits to RSU deployment (which will require substantial investments in terms of installation and maintenance), the costs of VII will also be significant. As more information about the final national VII design becomes available, the simulation environment developed in this research can be used to conduct detailed benefit/cost analyses. Finally, the findings of this research support the need for VDOT to remain actively involved in VII development efforts and to expand VII research and evaluation efforts in the areas of operations applications.
Author: Fouad Sabry
Publisher: One Billion Knowledgeable
ISBN:
Category : Computers
Languages : en
Pages : 123
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Book Description
What is Vehicle Infrastructure Integration Vehicle infrastructure integration (VII) is an initiative fostering research and application development for a series of technologies directly linking road vehicles to their physical surroundings, first and foremost to improve road safety. The technology draws on several disciplines, including transport engineering, electrical engineering, automotive engineering, and computer science. VII specifically covers road transport, although similar technologies are in place or under development for other modes of transport. Planes, for example, use ground-based beacons for automated guidance, allowing the autopilot to fly the plane without human intervention. In highway engineering, improving the safety of a roadway can enhance overall efficiency. VII targets to improve both safety and efficiency. How you will benefit (I) Insights, and validations about the following topics: Chapter 1: Vehicle Infrastructure Integration Chapter 2: Intelligent Transportation System Chapter 3: Dedicated Short-Range Communications Chapter 4: Vehicular Communication Systems Chapter 5: Vehicular Ad Hoc Network Chapter 6: Research and Innovative Technology Administration Chapter 7: Connected Car Chapter 8: Intelligent Speed Assistance Chapter 9: GNSS Road Pricing Chapter 10: Safety of Cycling Infrastructure (II) Answering the public top questions about vehicle infrastructure integration. (III) Real world examples for the usage of vehicle infrastructure integration in many fields. Who this book is for Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of Vehicle Infrastructure Integration.
Author: S. Shladover
Publisher:
ISBN:
Category : Highway communications
Languages : en
Pages : 23
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Book Description
Vehicle-Infrastructure Integration (VII) is one of the most important new national programs within the field of ITS, but until now it has been treated at the federal level as a deployment-oriented activity, without significant research elements. This report identifies some key research issues that need to be investigated in support of VII, in order to ensure that the VII concept and designs are as efficient and effective as possible and in order to produce the essential knowledge base that public agencies throughout the country can rely upon to make well-informed decisions about participating in the deployment of VII.
Author:
Publisher:
ISBN:
Category : Highway communications
Languages : en
Pages : 20
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Book Description
Author:
Publisher:
ISBN:
Category : Highway communications
Languages : en
Pages : 1
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Book Description
Author: Joseph Akman
Publisher:
ISBN:
Category :
Languages : en
Pages : 65
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Book Description
Author: U. S. Department US Department of Transportation
Publisher:
ISBN: 9781494260521
Category :
Languages : en
Pages : 106
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Book Description
This report provides the technical description of the Vehicle Infrastructure Integration (VII) system developed for the Cooperative Agreement Program between the United States Department of Transportation (USDOT) and Vehicle Infrastructure Integration Consortium (VIIC). The basic architectural elements are summarized and detailed descriptions of the hardware and software systems are provided along with the descriptions of the applications used to assess the system.
Author:
Publisher:
ISBN:
Category : Highway communications
Languages : en
Pages : 41
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Book Description
Author: Barry H. Kantowitz
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Vehicle-Infrastructure Integration (VII) is an initiative of the U.S. Department of Transportation with participation by automobile manufacturers and other organizations. VII seeks to create a network of communications and shared applications within the U.S. among all vehicles and countless roadside and infrastructure-based elements. This would enable or improve vehicle safety applications, transportation management functions, and other public- and private-sector applications, such as real-time traffic information. An area that highlights the potential of VII is emergency transportation operations, which are activities by public agencies to manage the movement of vehicles in response to everyday accidents and emergency needs, as well as in response to extraordinary events such as large-scale natural disasters or man-made catastrophes. This paper provides a framework for considering potential uses of the VII network. Three basic types of communication are described: vehicle-to-vehicle, vehicle-to-infrastructure, and infrastructure-to-vehicle. For emergency transportation operations, an additional distinction between emergency vehicles and private vehicles is added. With this in mind, potential applications can be classified according to the communication paths. A set of VII applications is described in the context of emergency transportation operations. The challenges of deploying VII and creating applications for emergency transportation applications are considered. Gaps in technology and knowledge are identified, with suggestions for research to close the gaps. Gaps considered include technology gaps, techno-social issues, algorithmic and modeling gaps, and human-machine interface gaps. By providing a conceptual framework for the possible functions that VII can enable, and by examining key functions and their challenges, this paper serves to bothhighlight the potential of VII and address the challenges of bringing VII to full deployment.
