6/9/2015
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Communication, data, and communication media fundamentals needed to produce CV system
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This graphic shows where we are in our timeline of the program’s intended path toward deployment. Our field testing in real-world settings has led to the evaluation of technology effectiveness.  The first evaluation is documented in the August 2014, NHTSA Advance Notice of Proposed Rulemaking on V2V technology for light vehicles that is accompanied by a detailed report known as: “Vehicle-to-Vehicle Communications: Readiness of V2V Technology for Application” . 
Our evaluation of the field data is continuing to inform our decision path, and more reports are expected to be available this Fall of 2015.
Also, based on data collected regarding trucks and buses, NHTSA will make a decision about heavy vehicles in late 2015/early 2016.
We anticipate the continuation of our security prototyping and device testing and certification efforts in the coming months and years, and are expecting our modal partner, FHWA, to issue deployment guidelines in the year ahead to assist the state and local jurisdictions in moving this technology towards widespread deployment. All of these decisions and guidance highlighted above the arrow in blue on this path are being put into place to support our first award of Connected Vehicle Pilot sites.
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Supports the overall strategic objective of INTEROPERABILITY
Goal: nationwide or even continent-wide deployment
Communication/security: communication security practices apply to ALL information flows throughout entire system.  Can be applied to any communication medium regardless of where it sits in the architecture
Privacy by design: want to perpetuate the concepts tested in Ann Arbor and apply them to entire system
Data flow/evolution: needs to be able to scale up to a national level.  Architecture designed to support 2 types of data:
* Data that everybody should have access to in a CV environment, and everybody should be able to contribute to
  * Metaphor:  Red octagon stop sign, three color traffic light
* Private data used to support P2P transactions – maintenance, management, enforcement, and commercial
Multiple communication media: working on getting them all to function together seamlessly. 
Tools: convenient way to share knowledge / institutionalize knowledge, to share with people who will actually implement the CV projects.  To support interoperability with previous work, and other projects being developed concurrently
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We think that there are three things that if done well will project connected intelligent transportation systems into the “after” state:
1)To accomplish transportation application goals, we have a number of communication resources that have to be properly, efficiently melded together, and
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2)There are two classes of data used in transportation systems.
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3)Those two things can then be unified through well-organized tools.
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The Southeast Michigan 2014 project embodies the fundamentals we need to work on:
All elements of a connected vehicle system – mobile, field, center.
Multiple communication media with a common process for assuring trust and protecting confidentiality.
Data abstraction points to facilitate data flow and aggregation.  A place is provided for multiple application interest groups to connect up and use (and contribute to) the flow.
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The things in the boxes are physical objects.  Lines are information flows
The blue boxes (upper right) are inside the vehicle
Yellow boxes are travelers and their equipment
In the middle (orange and teal) exist at the boundary between moving and fixed elements.  Bridge between wired and wireless
On the left side: fixed infrastructure – they exist somewhere at an IP address.  Data are gathered and aggregated and synthesized
Black oval: facilitate the flow of the fundamental data that all travelers need.
Bottom (dark green): support services for overall concept – to make it all work
This is the kind of system that we think could be scaled up to national level
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We’ve held a number of stakeholder events – training and testing.
We are gearing up to do CV pilots that the DOT will sponsor.
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People can get involved in the Southeast Michigan 2014 project two ways:
Be part of an on-going DOT activities, and/or
Be part of the Affiliation of Test Beds.
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