Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors, Volume 2: Model Concept of Operations (2021) / Chapter Skim
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Pages 37-50
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37 Justification for and Nature of Changes is section describes the shortcomings of the current system or situation as portrayed by the group of project stakeholders and sheds light on the motivation for incorporating connected vehicle capabilities into their existing systems. is section will bridge the gap between the existing system (Section 3)
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38 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors T raffic Management • Limited coverage through fixed infrastructure (e.g., traffic detectors)
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Justi cation for and Nature of Changes 39 • Provide rural agencies with greater access to probe dataset that can enhance their operational capabilities. Connected vehicles also provide rural agencies with greater access to disseminate traveler information on tra c conditions and work zones.
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40 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors The desired changes (e.g., new or modified capabilities, functions, processes, interfaces, and other changes) address issues and problems identified by stakeholders and are presented as user needs.
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Justi cation for and Nature of Changes 41 B ack office Center- Specific N eeds C0 1 T he B ack office needs the capab ility to collect, aggregate, and fu se near real - time traffic conditions ( e.
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42 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors C0 6 T he B ack office needs the capab ility to analyz e and act on traffic conditions ( e.
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Justi cation for and Nature of Changes 43 C1 3 T he Data Storage Sy stem needs to provide an interface for configuring and controlling how data is stored. D ata storage is necessary for data analysis and archive purposes.
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44 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors C2 6 T hird- party providers need to provide traffic data to the B ack office. Traffic-conditions, incident, work zone, and other event data from third-party providers may be obtained from third-party service providers, such as Waze, INRIX , HERE, and other service providers of traffic conditions.
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Justi cation for and Nature of Changes 45 4.2.2 Field-Speci c User Needs e actor for the Field (F) is ITS Roadway Equipment.
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46 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors Su pport- Environment- Specific N eeds Secu rity N eeds SE0 1 T he B ack office needs to provide mechanisms for secu ring transportation systems commu nications b etween devices. Devices need to be able to trust communications from other devices and secure communications provide that trust.
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Justi cation for and Nature of Changes 47 All Vehicles V0 1 OB U s need to provide an interface to gather situ ational data ( e.
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48 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors SL0 1 T he B ack office system needs to protect itself from u nau thoriz ed access b y ex ternal sou rces or entities. This protection addresses both cyberattacks from external sources and unauthorized entry by outside individuals to sensitive operations areas.
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Justi cation for and Nature of Changes 49 • A security system is needed to ensure that users can trust the validity of information received from other system users. e SCMS is a proof-of-concept (POC)
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50 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors half of the respondents rated non-signalized intersections as highly critical. ere are rural areas that do not demand a full controlled intersection but still need some type of control.
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