Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors, Volume 2: Model Concept of Operations (2021)

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106 Analysis of the Proposed System is section provides an analysis of the benets, limitations, advantages, disadvantages, alter- natives, and trade-os considered for the proposed system. 8.1 Summary of Improvements is section provides a qualitative summary of the potential benets of the proposed system. When tailoring for a specic deployment, provide a quantitative summary that can be used to form the basis for performance measurement and assessment. • Connected vehicle deployments address improvements in the areas of safety, mobility, and environment (to a lesser degree); and provide overall improvements and sta eciencies in rural agency operations. • Incorporating connected vehicle infrastructure (with existing traditional ITS) and digital infrastructure in rural corridors can expand coverage that is currently extremely limited. • Increased amounts and quality of probe data created from integration of connected vehicles can be used to optimize current operations, particularly incident management and planning and improved incident response time; increased detail of work zone information that can be shared with travelers, adjoining jurisdictions, and agency maintenance crews. Challenges, disadvantages, and limitations may include the following: • Coordination and level of direct engagement with OEMs and connected vehicle equipment providers and application developers. • Uncertainty in regulation, communication technologies (DSRC versus cellular), business models, benets of connected vehicles. • Understanding the full benets of the system, especially in a rural setting, and the level of penetration in rural roads to benet from the applications. • Connected vehicle solutions require signicant resources to buy, integrate, and test with existing systems and processes. An SCMS is required for a safe and secure connected vehicle system. • Connected vehicle soware and technologies are at varying levels of technical readiness. 8.2 Alternatives and Trade-offs Considered is section describes major alternatives that rural agencies should consider and the trade- os among them. e proposed system described in this model ConOps is focused on connected vehicles per the project statement; therefore, the project team did not consider non-connected S E C T I O N 8

Analysis of the Proposed System 107   vehicle alternatives. However, expansion of traditional ITS Roadway Equipment was only considered when limited ITS installations could support using a connected vehicle infra- structure and components. As noted in Section 4.4, only V2I messaging and applications were considered. Rural agency deployers might consider V2V messaging and applications. Also, agencies might consider the alternatives of DSRC versus C-V2X. As a project moves forward, future alternatives and trade-offs should be documented.