Interface: ADOT TOC and EMC - ADOT Mainline Detection
Information Flow Definitions
automated lane control data (Planned)
Control commands and operating parameters for automated vehicle operations, including tightly coupled platooned groups of vehicles operating in dedicated or mixed–mode lanes. This flow includes platoon parameters including maximum platoon size, target speeds and gaps, and vehicle restrictions.
automated lane status (Planned)
Current operational status of lanes supporting automated vehicle operations. The flow includes the status of the RSEs, associated field equipment, and vehicles using the facility.
barrier system control (Planned)
Information used to configure and control barrier systems that are represented by gates, barriers and other automated or remotely controlled systems used to manage entry to roadways.
barrier system status (Planned)
Current operating status of barrier systems. Barrier systems represent gates, barriers and other automated or remotely controlled systems used to manage entry to roadways. Status of the systems includes operating condition and current operational state.
environmental monitoring application info (Planned)
Environmental monitoring application parameters and thresholds that control the filtering, aggregation, and range of measures that are collected, derived, and reported. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.
environmental monitoring application status (Planned)
Environmental monitoring application status reported by the RSE. This includes current operational state and status of the RSE and a record of system operation.
environmental sensor control (Existing) Selected Comm Solution
Data used to configure and control environmental sensors.
environmental sensor data (Existing) Selected Comm Solution
Current road conditions (e.g., surface temperature, subsurface temperature, moisture, icing, treatment status) and surface weather conditions (e.g., air temperature, wind speed, precipitation, visibility) as measured and reported by fixed and/or mobile environmental sensors. Operational status of the sensors is also included.
environmental situation data (Planned) Selected Comm Solution
Aggregated and filtered vehicle environmental data collected from vehicle safety and convenience systems including measured air temperature, exterior light status, wiper status, sun sensor status, rain sensor status, traction control status, anti–lock brake status, and other collected vehicle system status and sensor information. This information flow represents the aggregated and filtered environmental data sets that are provided by the RSE to the back office center. Depending on the RSE configuration and implementation, the data set may also include environmental sensor station data collected by the RSE.
intersection management application info (Planned)
Intersection and device configuration data, including intersection geometry, and warning parameters and thresholds. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.
intersection management application status (Planned)
Infrastructure application status reported by the RSE. This includes current operational state and status of the RSE and a log of operations.
lane management control (Planned) Selected Comm Solution
Information used to configure and control dynamic lane management systems.
lane management information (Planned) Selected Comm Solution
System status of managed lanes including current operational state, violations, and logged information. This includes lane usage information including both traditional traffic flow measures and special information associated with managed lanes such as measured passenger occupancies. It also includes the operational status of the lane management equipment.
passive vehicle monitoring control (Planned) Selected Comm Solution
Control commands used to control detection systems that rely on infrastructure–based identification of individual vehicles to measure travel times and other related measures by identifying the same vehicle at different points in the network. Related technologies include Bluetooth readers and license plate recognition systems.
passive vehicle monitoring data (Planned) Selected Comm Solution
Time stamped identifiers that identify the vehicles that have passed through a detection zone.
rail crossing control data (Planned) Selected Comm Solution
Data required for HRI information transmitted at railroad grade crossings and within railroad operations.
rail crossing request (Planned) Selected Comm Solution
A request for highway–rail intersection status or a specific control request intended to modify HRI operation.
rail crossing status (Planned) Selected Comm Solution
Status of the highway–rail intersection equipment including both the current state or mode of operation and the current equipment condition.
reversible lane control (Planned) Selected Comm Solution
Control of automated reversible lane configuration and driver information systems.
reversible lane status (Planned) Selected Comm Solution
Current reversible lane status including traffic sensor and surveillance data and the operational status and mode of the reversible lane control equipment.
right-of-way request notification (Planned) Selected Comm Solution
Notice that a request has occurred for signal prioritization, signal preemption, pedestrian call, multi–modal crossing activation, or other source for right–of–way.
road closure application info (Planned)
Road closure signing application configuration data and messaging parameters. This flow identifies the vehicles that may initiate the road closure. This flow also provides access lists, groups, or classifications where selected vehicles are to be allowed access to the closed area.
road closure application status (Planned)
Road closure application status reported by the RSE. This includes current operational state and status of the RSE, closure status, and a log of closure commands received and issued. For closures that allow entry by selected vehicles, this flow provides an access log identifying vehicles that have requested access with access status.
roadway advisory radio data (Planned)
Information used to initialize, configure, and control roadside highway advisory radio. This flow can provide message content and delivery attributes, local message store maintenance requests, control mode commands, status queries, and all other commands and associated parameters that support remote management of these systems.
roadway advisory radio status (Planned)
Current operating status of highway advisory radios.
roadway warning system control (Planned)
Information used to configure and control roadway warning systems.
roadway warning system status (Planned)
Current operating status of roadway warning systems.
safeguard system control (Planned)
Data that controls safeguard systems (remotely controlled equipment used to mitigate the impact of incidents on transportation infrastructure, such as blast shields, exhaust systems, etc.).
safeguard system status (Planned)
Current operating status of safeguard systems (remotely controlled equipment used to mitigate the impact of incidents on transportation infrastructure, such as blast shields, exhaust systems, etc.). Status of the systems includes operating condition and current operational state.
signal control commands (Planned) Selected Comm Solution
Control of traffic signal controllers or field masters including clock synchronization.
signal control device configuration (Existing) Selected Comm Solution
Data used to configure traffic signal control equipment including local controllers and system masters.
signal control plans (Existing) Selected Comm Solution
Traffic signal timing parameters including minimum green time and interval durations for basic operation and cycle length, splits, offset, phase sequence, etc. for coordinated systems.
signal control status (Existing) Selected Comm Solution
Operational and status data of traffic signal control equipment including operating condition and current indications.
signal fault data (Existing) Selected Comm Solution
Faults reported by traffic signal control equipment.
signal system configuration (Existing) Selected Comm Solution
Data used to configure traffic signal systems including configuring control sections and mode of operation (time based or traffic responsive).
speed management application information (Planned) Selected Comm Solution
Current speed targets, advisories, and limits including time of day, week, or season speed limits as necessary, and application parameters and thresholds. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.
speed management application status (Planned) Selected Comm Solution
Speed management application status reported by the RSE. This includes current operational state and status of the RSE and a record of measured vehicle speeds and current speed targets, advisories, and limits.
speed monitoring control (Planned)
Information used to configure and control automated speed monitoring, speed warning, and speed enforcement systems.
speed monitoring information (Planned)
System status including current operational state and logged information including measured speeds, warning messages displayed, and violation records.
traffic detector control (Existing) Selected Comm Solution
Information used to configure and control traffic detector systems such as inductive loop detectors and machine vision sensors.
traffic detector data (Existing) Selected Comm Solution
Raw and/or processed traffic detector data which allows derivation of traffic flow variables (e.g., speed, volume, and density measures) and associated information (e.g., congestion, potential incidents). This flow includes the traffic data and the operational status of the traffic detectors
traffic image meta data (Planned)
Meta data that describes traffic images. Traffic images (video) are in another flow.
traffic images (Existing)
High fidelity, real–time traffic images suitable for surveillance monitoring by the operator or for use in machine vision applications. This flow includes the images. Meta data that describes the images is contained in another flow.
traffic metering control (Existing) Selected Comm Solution
Control commands and operating parameters for ramp meters, interchange meters, mainline meters, and other systems equipment associated with roadway metering operations.
traffic metering status (Existing) Selected Comm Solution
Current operational status and operating parameters for ramp meters, interchange meters, mainline meters and other control equipment associated with roadway metering operations.
traffic situation data (Planned) Selected Comm Solution
Current, aggregate traffic data collected from connected vehicles that can be used to supplement or replace information collected by roadside traffic detectors. It includes raw and/or processed reported vehicle speeds, counts, and other derived measures. Raw and/or filtered vehicle control events may also be included to support incident detection.
variable speed limit control (Existing) Selected Comm Solution
Information used to configure and control variable speed limit systems including the equipment used to provide current speed limits and other information to drivers.
variable speed limit status (Existing) Selected Comm Solution
Current operating status of the variable speed limit systems including the state of the equipment.
vehicle signage application info (Planned) Selected Comm Solution
In–vehicle signing application configuration data and messaging parameters. This flow provides a list of regulatory, warning, and information messages to be displayed and parameters that support scheduling and prioritizing messages to be issued to passing vehicles. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.
vehicle signage application status (Planned) Selected Comm Solution
In–vehicle signing application status reported by the RSE. This includes current operational state and status of the RSE and a log of messages sent to passing vehicles.
video surveillance control (Existing) Selected Comm Solution
Information used to configure and control video surveillance systems.
wrong way vehicle detected (Planned)
Notification that a vehicle has been detected traveling in the wrong direction. This can be a direct report by an equipped vehicle that is being driven in the wrong direction or a report of a non–equipped vehicle that has been detected traveling in the wrong direction. It includes the current location, speed, acceleration, and heading of the wrong way vehicle.