Manatee County Vehicle-to-Infrastructure (V2I) Capability and Integration
Project Description: Provide a system capable of V2I integration and capable of deriving benefits from the vehicles equipped with connected technologies.
Project Status: Planned
Project Stakeholders:
Interconnect and Flow
Diagrams
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Project Information Flows:
Project Functional Requirements (Element - Functional Object):
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Manatee County Field Equipment - Roadway Basic Surveillance
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1: The field element shall collect, process, digitize, and send traffic sensor data (speed, volume, and occupancy) to the center for further analysis and storage, under center control.
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Manatee County Field Equipment - Roadway Environmental Monitoring
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13: The field element shall collect environmental data from connected vehicle roadside equipment.
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14: The field element shall provide access to remotely collected environmental data (i.e., from connected vehicle sources) in the same manner is it provides access to locally collected environmental data (typically by providing it to various centers).
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Manatee County Field Equipment - Roadway Passive Monitoring
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1: The field element shall collect, process, and send data to the center to uniquely identify passing vehicles in order to support travel time measurement
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Manatee County Field Equipment - Roadway Signal Control
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14: The field element shall provide data to the Connected Vehicle Roadside Equipment.
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Manatee County Field Equipment - Roadway Warning
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1: The field element shall monitor for hazardous traffic conditions, including queues.
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Manatee County Field Equipment - RSE Communications Relay
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1: The field device shall be capable of relaying safety related messages, such as detection of wrong- way vehicles, to other connected vehicle field devices.
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2: The field device shall be capable of relaying safety related messages, such as detection of wrong-way vehicles, to equipped vehicles.
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Manatee County Field Equipment - RSE Environmental Monitoring
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1: The field element shall communicate with passing vehicles to collect environmental monitoring data, including ambient air quality, emissions, temperature, precipitation, and other road weather information.
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2: The field element shall aggregate and forward collected environmental probe information to the center.
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Manatee County Field Equipment - RSE Intersection Safety
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2: The roadway equipment shall communicate with approaching vehicles to alert and warn drivers of potential stop sign, red light, and non-motorized user crossing conflicts or violations.
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3: The roadway equipment shall collect vehicle path information sent by a vehicle.
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5: The roadway equipment shall send to Connected Vehicles intersection signal timing information in order for the vehicle to determine if it will safely cross the intersection given its current speed and location.
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6: The roadway equipment shall send to connected vehicles a warning if an intersection violation appears to be imminent.
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7: The field element shall collect current conflict monitor and intersection control data from the traffic signal controller.
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Manatee County Field Equipment - RSE Queue Warning
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1: The field equipment shall communicate with the connected vehicles to gather real-time vehicle-collected data including vehicle speed, location and localized weather condition from the vehicle network.
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2: The field equipment shall communicate queue response strategies (speed reduction, lane change, diversion recommendations) to the vehicle.
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Manatee County Field Equipment - RSE Traffic Monitoring
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1: The field element shall communicate with on-board equipment on passing vehicles to collect current vehicle position, speed, and heading and a record of previous events (e.g., starts and stops, link travel times) that can be used to determine current traffic conditions.
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2: The field element shall aggregate and forward collected probe information to the center.
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3: The field element shall aggregate and forward collected probe information to other field elements.
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Manatee County Field Equipment - RSE Transit User Guidance
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2: The field element shall provide stop requests to transit vehicles.
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Manatee County Field Equipment - RSE Traveler Information Communications
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13: The field element shall provide data about transit vehicle movement to approaching vehicles
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2: The field element shall distribute advisory information, such as evacuation information, wide-area alerts, incident information, work zone intrusion information, recommended speed limit and other special information to passing vehicles using short range communications, under center control.
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3: The field element shall distribute indicator and fixed sign information, including static sign information (e.g., stop, curve warning, guide signs, service signs, and directional signs) and dynamic information (e.g., current signal states and local conditions warnings identified by local environmental sensors) to equipment on-board vehicles under center control.
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Manatee-Sarasota Regional Traffic Management Center - Map Management
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1: The Center shall collect Vehicle location information from Vehicles.
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Manatee-Sarasota Regional Traffic Management Center - TMC Intersection Safety
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1: The center shall provide current intersection safety status information.
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2: The center shall provide warnings to drivers when non-motorized users are occupying a cross walk or other mixed use path crossing.
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3: The center shall provide warnings to pedestrians or bicyclists when vehicles are infringing on a cross walk or other mixed use path crossing.
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5: The field element shall be capable of configuring roadside equipment to perform the collection and transmission of information to support intersection safety.
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Manatee-Sarasota Regional Traffic Management Center - TMC In-Vehicle Signing Management
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1: The center shall format and output sign information such as traffic and road conditions to field equipment that supports in-vehicle signage communications.
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2: The center shall format and output advisory information, such as detour information, wide-area alerts, work zone intrusion information, and other special information to field equipment that supports in-vehicle signage communications.
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3: The center shall monitor and manage output of indicator and fixed sign information, including static sign information (e.g., stop, curve warning, guide signs, service signs, and directional signs) and dynamic information (e.g., current signal states and local conditions warnings identified by local environmental sensors) by field equipment that supports in-vehicle signage communications.
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Manatee-Sarasota Regional Traffic Management Center - TMC Passive Surveillance
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1: The center shall collect time stamped vehicle identities from field equipment.
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2: The center shall correlate the time stamped vehicle identities in order to calculate link travel times and derive other traffic measures.
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Manatee-Sarasota Regional Traffic Management Center - TMC Roadway Warning
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2: The center shall identify hazardous road weather and surface conditions.
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3: The center shall identify hazardous traffic conditions including queues.
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5: The center shall issue control commands to field equipment warning drivers approaching the identified hazardous conditions.
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7: The center shall have the capability to receive real-time traffic (including location and speed), road conditions (e.g. ice, wet, etc.), and weather data (clear, rainy and snowy) from connected vehicles.
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8: The center shall generate appropriate queue response strategies that include speed reduction, lane change, or diversion recommendations based on local traffic, weather, and roadway conditions.
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9: The center shall use collected data to detect the location, duration, and length of queue propagation, as a result of significant downstream speed reductions or stopped traffic.
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Manatee-Sarasota Regional Traffic Management Center - TMC Signal Control
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13: The center shall process collected traffic and environmental data from sensors and connected vehicles.
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Manatee-Sarasota Regional Traffic Management Center - TMC Speed Warning
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4: The center shall control reduced speed zone warning roadside equipment, providing the location and extent of the reduced speed zone, the posted speed limit(s) with information about the applicability of the speed limit(s) (e.g., time of day, day of week, seasonality, relevant vehicle types) and information about associated road configuration changes including lane merges and shifts.
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Vehicles - Vehicle Basic Safety Communication
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2: The vehicle shall provide its location with lane-level accuracy to on-board applications.
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3: The vehicle shall provide its location with road-level accuracy to on-board applications.
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Vehicles - Vehicle Control Automation
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5: The Vehicle shall provide its location with lane-level accuracy to on-board control automation applications.
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7: The vehicle shall provide position control adjustments and warnings to the driver when an object gets close enough to the vehicle to become a hazard if no action is taken by the driver.
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Vehicles - Vehicle Control Warning
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1: The vehicle shall monitor the area to the sides of the vehicle to determine the proximity of other objects to the vehicle and if a warning is needed.
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Vehicles - Vehicle Environmental Monitoring
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4: The vehicle shall transmit environmental probe data to field equipment located along the roadway using short range communications.
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Vehicles - Vehicle Intersection Warning
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3: The vehicle shall receive intersection signal timing information in order for the vehicle to determine if it will safely cross the intersection given its current location and speed.
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5: The vehicle shall receive warning from the infrastructure if an intersection violation appears to be imminent.
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Vehicles - Vehicle Queue Warning
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2: The vehicle shall receive queue warning messages from infrastructure systems.
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4: The vehicle shall communicate queue warnings and queue characteristic information based on vehicle’s distance to end of queue, (length of queue, lane(s) impacted, other descriptions of the queue condition) to the driver.
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Vehicles - Vehicle Traveler Information Reception
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3: The vehicle shall receive indicator and fixed sign information including static sign information (e.g., stop, curve warning, guide signs, service signs, and directional signs) and dynamic information (e.g., current signal and traffic meter states and local conditions warnings identified by local environmental sensors).
Standards:
Project Operational Concepts:
Roles and Responsibilities
- Travelers
- Manatee County Public Works Department
- Collect vehicle probe data from connected vehicles.
- Provide intersection safety information to connected vehicles.
- Provide in-vehicle safety information using roadside equipment.
- Provide traveler information to connected vehicles.
- Manatee County Area Traffic Agencies
- Collect traffic information and vehicle probe data from connected vehicle roadside equipment.
- Provide intersection safety information to connected vehicles.
Last Updated 4/18/2024
