This solution is used within the U.S.. It combines standards associated with US: SAE Signal Control Messages with those for V–X: WAVE WSMP. The US: SAE Signal Control Messages standards include upper–layer standards required to implement signal control information flows. The V–X: WAVE WSMP standards include lower–layer standards that support connectionless, near constant, ultra–low latency vehicle–to–any communications within ~300m using the WAVE Short Messaging Protocol (WSMP) over IEEE WAVE in the 5.9GHz spectrum. The broadcast mode is interoperable with M5 FNTP.
| Level | DocNum | FullName | Description |
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| Mgmt | Addressed Elsewhere | Addressed Elsewhere in Stack | The services related to this portion of the stack are defined in the other standards listed for this solution. |
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| Security | IEEE 1609.2 | IEEE Standard for Wireless Access in Vehicular Environments – Security Services for Applications and Management Messages | This standard defines secure message formats and processing for use by Wireless Access in Vehicular Environments (WAVE) devices, including methods to secure WAVE management messages and methods to secure application messages. It also describes administrative functions necessary to support the core security functions. |
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| Security | IEEE 1609.2a | IEEE 1609.2a–2017 – IEEE Standard for Wireless Access in Vehicular Environments––Security Services for Applications and Management Messages – Amendment 1 | This standard defines secure message formats and processing for use by Wireless Access in Vehicular Environments (WAVE) devices, including methods to secure WAVE management messages and methods to secure application messages. It also describes administrative functions necessary to support the core security functions. |
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| Security | IEEE 1609.2b | IEEE Standard for Wireless Access in Vehicular Environments––Security Services for Applications and Management Messages – Amendment 2––PDU Functional Types and Encryption Key Management | This standard defines secure message formats and processing for use by Wireless Access in Vehicular Environments (WAVE) devices, including methods to secure WAVE management messages and methods to secure application messages. It also describes administrative functions necessary to support the core security functions. |
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| ITS Application Entity | SAE J2945/B | Recommended Practices for Signalized Intersection Applications | This document provides guidance on usage of SAE J2735 and other related information for signalized intersection applications. The document focuses on how to use SPaT and MAP messages to support signalized–intersection applications. In general, implementation guidance is necessary to achieve interoperability by addressing the requirements for the options for both over the air dialogs and message contents, and to support larger intersection maps This document also addresses using Signal Request & Signal Status messages corresponding to vehicle functionality and approaches to traffic signal priority/pre–emption (TSP), including three different methods for implementing TSP over the air. The project is complementary to the connected intersections project being performed by ITE. |
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| ITS Application Entity | SAE J2735 | Dedicated Short Range Communications (DSRC) Message Set Dictionary (TM) | This standard defines the data and messages for use in DSRC (i.e., V2V, V2I, and V2D) applications. The SAE J2945 series defines additional requirements on how to use these messages. |
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| ITS Application Entity | CEN ISO 19091 | Intelligent transport systems –– Cooperative ITS –– Using V2I and I2V communications for applications related to signalized intersections | This technical specification defines messages and related data structures and data elements for the following exchanges between roadside equipment and vehicles: 1) Definition of the SPaT (signal phase and timing) message transmitted from a traffic controller that describes the state of the signals, signal timing as necessary to support the applications identified herein; 2) definition of the MAP message (which include the definition of motorized lane, vehicles, busses, trams, bicycle, pedestrian crosswalks, etc.); and 3) definition of the messages (SRM, SSM) to be exchanged between an intersection traffic controller and approaching vehicles to support priority treatment as might be expected for emergency response , freight transport, and public transport vehicles to improve safety. |
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| Facilities | SAE J2945 | Dedicated Short Range Communication (DSRC) Systems Engineering Process Guidance for J2945/x Documents and Common Design Concepts | This standard defines cross–cutting material which applies to the J2945/x series including generic DSRC interface requirements and guidance on Systems Engineering (SE) content. |
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| Facilities | SAE J2735 | Dedicated Short Range Communications (DSRC) Message Set Dictionary (TM) | This standard defines the data and messages for use in DSRC (i.e., V2V, V2I, and V2D) applications. The SAE J2945 series defines additional requirements on how to use these messages. |
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| TransNet | IEEE 1609.3 | IEEE Standard for Wireless Access in Vehicular Environments (WAVE) – Networking Services | This standard defines the network and transport layer options for the WAVE environment. The standard defines three options: a bandwidth efficient single–hop solution known as WSMP, UDP/IP, and TCP/IP. It has been harmonized with ISO FNTP and FSAP – a common message format specified in ISO 16460. |
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| Access | IEEE 1609.4 | IEEE Draft Standard for Wireless Access in Vehicular Environments – Multi–Channel Operation | This standard primarily defines the data link layer of the WAVE communications stack. |
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| Access | IEEE 802.11 | IEEE Draft Standard for Information technology––Telecommunications and information exchange between systems Local and metropolitan area networks––Specific requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specificatio | This standard defines the physical and data link layers for wireless Ethernet, including WiFi and DSRC. |
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| Access | ISO/IEC 8802–2 | IEEE Standard for Information technology –– Telecommunications and information exchange between systems––Local and metropolitan area networks –– Specific requirements –– Part 2: Logical Link Control | ISO/IEC 8802–2 describes the logical link control (LLC) sublayer, which constitutes the top sublayer in the data link layer of the ISO 8802 Local Area Network Protocol (also known as IEEE 802.2). |
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Two significant or one significant and several minor issues. For existing deployments, the chosen solution is likely deficient in security or management capabilities and the issues should be reviewed and upgrades developed as needed. For new deployments, the solution may be viable for pilots when applied to the triples it supports; such pilot deployments should consider a path to addressing these issues as a part of their design activities. The solution does not provide sufficient interoperability, management, and security to enable proper, full–scale deployment without additional work.
| Source | Destination | Flow |
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| Akron–Canton Airport Connected Vehicle Roadside Equipment | Commercial Vehicles | intersection geometry |
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| Akron–Canton Airport Connected Vehicle Roadside Equipment | Connected/Automated Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Akron Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Akron Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | City of Akron Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Akron Traffic Signal Roadway Equipment | intersection status monitoring |
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| County and City Connected Vehicles Roadside Equipment | City of Barberton Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Barberton Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | City of Barberton Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Barberton Traffic Signal Roadway Equipment | intersection status monitoring |
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| County and City Connected Vehicles Roadside Equipment | City of Cuyahoga Falls Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Cuyahoga Falls Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | City of Cuyahoga Falls Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Cuyahoga Falls Traffic Signal Roadway Equipment | intersection status monitoring |
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| County and City Connected Vehicles Roadside Equipment | City of Green Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Green Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | City of Green Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Green Traffic Signal Roadway Equipment | intersection status monitoring |
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| County and City Connected Vehicles Roadside Equipment | City of Hudson Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Hudson Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | City of Hudson Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Hudson Traffic Signal Roadway Equipment | intersection status monitoring |
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| County and City Connected Vehicles Roadside Equipment | City of Kent Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Kent Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | City of Kent Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Kent Traffic Signal Roadway Equipment | intersection status monitoring |
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| County and City Connected Vehicles Roadside Equipment | City of Stow Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Stow Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | City of Stow Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Stow Traffic Signal Roadway Equipment | intersection status monitoring |
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| County and City Connected Vehicles Roadside Equipment | City of Twinsburg Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Twinsburg Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | City of Twinsburg Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | City of Twinsburg Traffic Signal Roadway Equipment | intersection status monitoring |
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| County and City Connected Vehicles Roadside Equipment | Commercial Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | Commercial Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | Connected/Automated Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | Connected/Automated Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | Other Municipalities Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | Other Municipalities Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | Other Municipalities Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | Other Municipalities Traffic Signal Roadway Equipment | intersection status monitoring |
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| County and City Connected Vehicles Roadside Equipment | Portage County Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | Portage County Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | Portage County Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | Portage County Traffic Signal Roadway Equipment | intersection status monitoring |
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| County and City Connected Vehicles Roadside Equipment | Summit County Emergency Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | Summit County Emergency Vehicles | intersection status |
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| County and City Connected Vehicles Roadside Equipment | Summit County Maintenance Vehicles | intersection geometry |
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| County and City Connected Vehicles Roadside Equipment | Summit County Traffic Signal Roadway Equipment | intersection status monitoring |
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| ODOT Connected Vehicles Roadside Equipment | City of Akron Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | City of Akron Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | City of Barberton Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | City of Barberton Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | City of Cuyahoga Falls Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | City of Cuyahoga Falls Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | City of Green Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | City of Green Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | City of Hudson Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | City of Hudson Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | City of Kent Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | City of Kent Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | City of Stow Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | City of Stow Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | City of Twinsburg Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | City of Twinsburg Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | Commercial Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | Commercial Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | Connected/Automated Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | Connected/Automated Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | METRO RTA Fixed–Route Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | METRO RTA Fixed–Route Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | METRO RTA Paratransit Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | METRO RTA Paratransit Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | ODOT District 4 Maintenance Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | ODOT District 4 Traffic Signal Roadway Equipment | intersection status monitoring |
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| ODOT Connected Vehicles Roadside Equipment | ODOT Freeway Safety Patrol Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | OSHP Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | OSHP Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | Other Municipalities Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | Other Municipalities Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | PARTA Fixed–Route Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | PARTA Fixed–Route Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | PARTA Paratransit Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | PARTA Paratransit Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | Portage County Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | Portage County Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | Summit County Emergency Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | Summit County Emergency Vehicles | intersection status |
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| ODOT Connected Vehicles Roadside Equipment | University of Akron Roo Express Shuttle Service Vehicles | intersection geometry |
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| ODOT Connected Vehicles Roadside Equipment | University of Akron Roo Express Shuttle Service Vehicles | intersection status |
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| OTIC Connected Vehicles Roadside Equipment | Commercial Vehicles | intersection geometry |
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| OTIC Connected Vehicles Roadside Equipment | OSHP Vehicles | intersection geometry |
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| OTIC Connected Vehicles Roadside Equipment | OTIC Maintenance and Construction Vehicles | intersection geometry |
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| OTIC Connected Vehicles Roadside Equipment | OTIC Public Service Vehicles | intersection geometry |
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