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Estimated benefits of connected vehicle applications : dynamic mobility applications, AERIS, V2I safety, and road weather management applications.
  • Published Date:
    2015-08-01
  • Language:
    English
Filetype[PDF-2.44 MB]


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  • Abstract:
    Connected vehicles have the potential to transform travel as we know it by combining leading edge technologies—

    advanced wireless communications, on-board computer processing, advanced vehicle-sensors, Global Positioning

    System (GPS) navigation, smart infrastructure, and others—to address safety, mobility, and environmental challenges.

    Over the last five years, application prototyping and assessment has been a focus of federal connected vehicle

    research and development activity, resulting in more than three dozen connected vehicle application concepts. This

    effort also included assessments to measure safety, mobility and environmental impacts from four USDOT connected

    vehicle Vehicle-to-Infrastructure (V2I) research programs (V2I Safety, Dynamic Mobility Applications (DMA),

    Applications for the Environment: Real-Time Information Synthesis (AERIS), and Road-Weather

    Management).Considering results to date from these assessment activities, there is a clear demonstrated potential for

    significant safety, mobility and environmental impacts from V2I connected vehicle applications:

    • Combinations of V2I connected vehicle applications are effective in signalized networks, particularly in

    prioritizing signal timing and reducing overall delay (up to 27%), CO2 emissions and fuel consumption (up to

    11%). Intersection-focused safety applications may potentially address up to 575,000 crashes and 5,100

    fatalities per year.

    • V2I connected vehicle applications add a potentially new capability to flow management in congested freeway

    segments, particularly in the mitigation of potentially unsafe speed differentials in advance of bottleneck

    locations, reducing fuel consumption (up to 4.5%), or in the reduction of delay generated by major incidents

    (up to 14%). A curve speed warning safety application may potentially address up to 169,000 crashes and

    5,000 fatal crashes per year.

    • The magnitude of benefits of many applications are highly dependent on the level of technology deployment at

    the roadside, in vehicles, or within mobile devices. However, applications targeting fleet vehicles may be early

    winners – as well as applications that serve to prioritize or facilitate facility access

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