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Pages 51-83

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From page 51...
... 51   Concepts for the Proposed System is section describes the proposed connected vehicle system for a rural corridor. e proposed system described is intended to serve as a model that agencies can customize to meet their specic needs.
From page 52...
... 52 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors 5.2 Description of the Proposed System Connected vehicles will enable vehicles, roads and other infrastructure, and smartphones to communicate and share vital transportation information through advanced wireless communication technology. In the future, vehicles on the road will be using some wireless technology and Global Positioning System (GPS)
From page 53...
... Concepts for the Proposed System 53   e proposed system builds on the capabilities described in Section 3 for the current system. It is expected that these new connected vehicle capabilities will be integrated with existing ITS systems, adding the ability to collect more granular and timely information directly from vehicles and to disseminate warnings, advisories, and other messages directly to vehicles rather than posting messages on DMS and more conventional ITS devices.
From page 54...
... 54 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors Once collected, the data is fused, allowing systems to gain more insights into how the rural corridor is operating. For more sophisticated systems, decision support systems (DSS)
From page 55...
... Concepts for the Proposed System 55   Short Range Communications (DSRC) Message Set Dictionary [SAE J2735]
From page 56...
... 56 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors B asic Vehicle OB U B asic vehicle OB U is onboard equipment that provides the vehicle-based sensory, processing, storage, and communications functions that support efficient, safe, and convenient travel. The basic vehicle OB U includes general capabilities that apply to passenger cars, trucks, and motorcycles.
From page 57...
... Concepts for the Proposed System 57   ese processes are intended to describe high-level processes that should apply to most rural agencies. Rural agencies should tailor these sections to ensure that they accurately describe the systems, actors, and processes being planned for connected vehicle use within their rural corridors.
From page 58...
... 58 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors these technologies can be used to improve roadway throughput and reduce crashes using frequently collected and rapidly disseminated data drawn from connected vehicles, travelers, and infrastructure. For example, speed harmonization can be used to dynamically adjust and coordinate maximum appropriate vehicle speed in response to downstream congestion, incidents, and weather or road conditions to maximize traffic throughput and reduce crashes.
From page 59...
... Concepts for the Proposed System 59   can be used by the TMC to support more advanced trac signal timing strategies, variable speeds, queue detection, and warnings.
From page 60...
... 60 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors Agency response, emergency management, and maintenance eets may be outtted with additional agency-specic sensors to support trac management that send probe data to the Backoce in support of local concerns (like traction support in snowy climates)
From page 61...
... N ew Connected Vehicle Messages ( and Data) Rural agencies will have access to new connected vehicle messages and data including the following: • B asic Safety Messages ( B SMs)
From page 62...
... 62 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors U.S. DOT's Work Zone Data Exchange (WZDx)
From page 63...
... Concepts for the Proposed System 63   zone management strategies, including queue warning systems, VSL, and work zone advisory messages and warnings.
From page 64...
... 64 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors N ew Connected Vehicle Messages and Data Rural agencies will have access to new connected vehicle messages and data including the following: • B asic Safety Messages ( B SMs) : Messages that contain information about vehicle position, heading, speed, and other information relating to a vehicle' s state and predicted path.
From page 65...
... Concepts for the Proposed System 65   from BSMs, probe information, and weather-related information (temperature, wiper status, etc.) to support more accurate current and forecast conditions.
From page 66...
... 66 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors • The Motorist Advisories and Warnings (MAW) application uses road weather data from connected vehicles to provide information to travelers on deteriorating road and weather conditions on specific roadway segments.
From page 67...
... Concepts for the Proposed System 67   Proposed Road Weather Management Processes and Situation Figure 23 depicts new capabilities that may augment and enhance road weather management activities. ese new capabilities are summarized as follows: 1.
From page 68...
... 68 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors Category Description N ew Connected V ehicle M essages Rural agencies will have access to new connected vehicle messages and data including the following: (and Data) • B asic Safety M essages (B SM s)
From page 69...
... Concepts for the Proposed System 69   Category Description Through the use of data fusion techniques, weather condition data from third-party service providers, connected vehicles, and existing detection can be combined to form a better understanding of conditions throughout the corridor, and enable new forecast algorithms and decision support capabilities. Conveying information to travelers through DMS and HAR can be limited due to the location and coverage in rural corridors.
From page 70...
... 70 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors incorporation of connected vehicles can aid in quicker incident response and more timely information to travelers. Led by the WYDOT, the Wyoming CV Pilot is deploying a DN application that uses V2V and V2I communication to warn drivers in the vicinity and alert the TMC operators of a distressed vehicle (e.g., air bag deployed, vehicle disabled)
From page 71...
... Concepts for the Proposed System 71   ese new capabilities are summarized as follows: 1. Connected vehicles will enhance Backoce collection of situation awareness data from vehicles to support incident management and response capabilities described in Section 3 for arterials and freeways.
From page 72...
... 72 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors messages in the eld. For example, data collected from connected vehicles could be processed in the eld to determine delays, alternate routes, or diversions around incidents.
From page 73...
... Concepts for the Proposed System 73   5.2.5 Rural Safety Strategies With the use of TIMs about weather, incidents, closures, and so forth, connected vehicles may provide faster and more accurate information to drivers about situational awareness for additional safety in rural areas to augment strategies described in Section 3 for arterials and freeways. is can include sensing and warning systems used to interact with pedestrians, cyclists, and other non-motorized users that intersect the main vehicle roadways, specically near national parks and other tourist and seasonal venues.
From page 74...
... 74 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors infer current conditions. The collected data may be aggregated and fused with other sources for further data consolidation to be disseminated to other systems, travelers, and vehicle operators.
From page 75...
... Concepts for the Proposed System 75   (Source: Noblis 2020.) Figure 25.
From page 76...
... 76 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors Category Description Overcoming I nfrastructure Challenges for C ommunications availability is important for connected vehicle applications. W hile V 2 V safety applications can function without any V 2 I infrastructure or cellular coverage, the full potential of connected vehicle safety applications is enabled by Connected V ehicle Safety Strategies data flows between infrastructure systems and vehicles.
From page 77...
... Concepts for the Proposed System 77   5.2.6 Freight Operations Rural congestion can have a significant impact on freight movement, manufacturing processes, competitiveness, and productivity. The needs for rural freight corridors include parking, specific traveler information, and road conditions, such as weather, alternate routes/diversions, height/weight restrictions, and WIM/e-Permitting.
From page 78...
... 78 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors Category Description N ew Connected Vehicle Messages ( and Data) Rural agencies will have access to new connected vehicle messages and data including the following: • DN s and Mayday Alerts: Alerts sent from vehicles that communicate a distress status when the vehicle' s sensors detect an event that might require assistance from others, or the vehicle' s operator manually initiates a distress status.
From page 79...
... Concepts for the Proposed System 79   Category Description Overcoming Infrastru ctu re Challenges for Rural corridors have unique characteristics, including long distances between services, limited communications and power, and a lack of alternate routes. For freight operations, many of these corridors lack infrastructure to send and receive Connected Vehicle F reight Operations messages with trucks via RSU.
From page 80...
... 80 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors Note to reader: Table 17 is an example based on the proposed system context diagram that includes new actors and the same set of stakeholders as the current system stakeholders. The table should not be interpreted as a prescriptive description of the relationship between stakeholders and actors.
From page 81...
... State DOT: Maintenance Staff Security Credential Management System Providers Third-Party Service Providers Weather Provider (e.g., NWS) Stakeholders Involved B ac ko ffi ce M ai nt en an ce M an ag em en tS ys te m Em er ge nc y M an ag em en t/ Pu bl ic S af et y Sy st em Fl ee t a nd F re ig ht M an ag em en t S ys te m Tr av el er In fo S ys te m O th er J ur is di ct io n TM S W ea th er S er vi ce Sy st em Ev en tP ro m ot er s Sa te lli te S er vi ce Pr ov id er s Th ird -P ar ty Se rv ic e Pr ov id er s Se cu rit y C re de nt ia l M an ag em en t S ys te m Po si tio ni ng a nd Ti m in g Sy st em C om m er ci al Ve hi cl e O B U Pu bl ic S af et y Ve hi cl e O B U M ai nt en an ce a nd C on st ru ct io n Ve hi cl e O B U B as ic P as se ng er Ve hi cl e O B U Vu ln er ab le R oa d U se r IT S R oa dw ay Eq ui pm en t R ur al A ge nc y Pe rs on ne l C on ne ct ed V eh ic le R oa ds id e Eq ui pm en t 911 Dispatchers Automotive OEMs Adjacent State DOT City DOT Cloud Providers Commercial Vehicle Operators Connected Vehicle Vendors Police: State and Local Event Promoters Fire and Rescue General Public Positioning and Timing Providers Satellite Service Providers State DOT: Operations C lo ud Table 17.
From page 82...
... 82 Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors 5.6 Operational Policies and Constraints is section describes any operational policies and constraints that apply to the proposed system or situation. Examples of operational constraints might include the following: • Hours of operation of the system or sta (e.g., limited services evenings, weekends, seasons)
From page 83...
... Concepts for the Proposed System 83   • Limited access to proprietary information due to competitiveness concerns, especially when using different vendors. • Time and seasonal constraints for testing (e.g., having only one winter within the pilot timeframe to test impact of the system on winter crashes)

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