Interface: Clark County Public Works - Clark County Connected Vehicle Roadside Equipment

Clark County Public Works to Clark County Connected Vehicle Roadside Equipment Interface Diagram

Architecture Flow Definitions

automated lane control data  (Planned)  Applicable ITS Standards

Control commands and operating parameters provided to RSEs that control and monitor 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)  Applicable ITS Standards

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.

cooperative cruise control application data  (Planned)  Applicable ITS Standards

Control commands and operating parameters provided to RSEs that monitor and assist the formation, disolution, and operation of strings of CACC–equipped vehicles. This flow includes recommended CACC operating parameters including maximum string size, target speeds, gaps, and restrictions. In implementations that support destination–based and optimum performance based formation of strings, this flow also supports regional coordination that assists in the assignment of vehicles to CACC strings.

cooperative cruise control application status  (Planned)  Applicable ITS Standards

Current operational status of the infrastructure enhanced cooperative adaptive cruise control application. The flow includes the status of the RSEs, associated field equipment, and CACC–equipped vehicle strings using the facility.

data provision  (Planned)  Applicable ITS Standards

Data provision provides the source material for a publish–subscribe or query–retrieval data distribution scheme. This is the 1 of the 1:N data distribution architecture. This flow is a super–flow; it does not define data elements but is inclusive of any flow implemented using publish–subscribe or query–retrieval methods.

data publication  (Planned)  Applicable ITS Standards

Data publication includes those dialogs necessary to satisfy the publication portion of a data distribution architecture. The information content varies widely based on available content and the subscription, but it generally includes information on the state of transportation system operations including traffic and road conditions, advisories, incidents, transit service information, weather information, parking information, and other related data.

data query  (Planned)  Applicable ITS Standards

Data query includes those dialogs necessary to determine what data is available for and also submit a query for near–term response.

data query publication  (Planned)  Applicable ITS Standards

Data query publication includes those dialogs necessary to satisfy the response portion of a query–response action using the data distribution architecture. The information content varies widely based on available content and the query, but it generally includes information on the state of transportation system operations including traffic and road conditions, advisories, incidents, transit service information, weather information, parking information, and other related data.

data subscription  (Planned)  Applicable ITS Standards

Data subscription includes those dialogs necessary to determine what data is available for subscription/query, and also the dialogs necessary to create or modify data subscriptions/queries.

device identification  (Planned)  Applicable ITS Standards

An identifier and device type designation that is used to uniquely identify a device in the Connected Vehicle Environment.

electric charging services inventory  (Planned)  Applicable ITS Standards

Aggregate information provided for electric charging stations identifying the location, operating hours, current availability, charging capacity and standards supported, access restrictions, and rates/fee structure for each station.

electric charging station information  (Planned)  Applicable ITS Standards

Information provided for electric charging stations identifying the location, operating hours, current availability, charging capacity and standards supported, access restrictions, and rates/fee structure.

environmental monitoring application info  (Planned)  Applicable ITS Standards

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)  Applicable ITS Standards

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 situation data  (Planned)  Applicable ITS Standards

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.

equipment control commands  (Planned)  Applicable ITS Standards

System–level control commands issued to the RSE such as reset and remote diagnostics.

infrastructure restriction warning info  (Planned)  Applicable ITS Standards

Roadway configuration data and warning parameters and thresholds. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted. Configuration data includes facility design height, width, and weight restrictions, including special restrictions such as spring weight restrictions, and temporary facility restrictions that are imposed during maintenance and construction.

infrastructure restriction warning status  (Planned)  Applicable ITS Standards

Infrastructure restriction warning application status reported by the RSE. This includes current operational state and status of the RSE and a record of measured vehicle dimensions and alerts and warnings issued.

infrastructure situation data  (Planned)  Applicable ITS Standards

Aggregated and filtered vehicle data collected from vehicle safety and convenience systems that are indicative of insfrastructure condition including traction control status, anti–lock brake status, accelerometer 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.

intersection management application info  (Planned)  Applicable ITS Standards

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)  Applicable ITS Standards

Infrastructure application status reported by the RSE. This includes current operational state and status of the RSE and a log of operations.

intersection safety application info  (Planned)  Applicable ITS Standards

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 safety application status  (Planned)  Applicable ITS Standards

Infrastructure safety application status reported by the RSE. This includes current operational state and status of the RSE and a record of intersection safety issues identified and alerts and warnings issued.

lighting management application info  (Planned)  Applicable ITS Standards

Application parameters and thresholds. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.

lighting management application status  (Planned)  Applicable ITS Standards

Lighting management application status reported by the RSE. This includes current operational state and status of the RSE and a record of system operation.

local border wait times  (Planned)  Applicable ITS Standards

Current border wait time calculated by the RSE based on data collected from passing connected vehicles.

local situation data  (Planned)  Applicable ITS Standards

This general flow represents the traffic, environmental, and emissions situation data that is collected from connected vehicles by an RSE, aggregated, filtered, and provided to a back–office center. It also includes data collected from ITS roadway equipment that provides current intersection and road network status for the area proximate to the RSE.

protected location and address flow  (Planned)  Applicable ITS Standards

Information flow that has had its geographic location information removed and network address information proxied to protect the privacy of the originator.

queue warning application information  (Planned)  Applicable ITS Standards

Information regarding formed or impending queues (location of the end of queue, estimated duration of the queue, and other descriptions of the queue condition) and recommendations for upstream vehicles including speed reduction, lane change, or diversion recommendations. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.

queue warning application status  (Planned)  Applicable ITS Standards

Queue warning application status reported by the RSE. This includes current operational state and status of the RSE and a record of measured vehicle speeds and identified queues.

rail crossing application info  (Planned)  Applicable ITS Standards

Rail crossing and device configuration data and warning parameters and thresholds. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.

rail crossing application status  (Planned)  Applicable ITS Standards

Rail crossing application status reported by the RSE. This includes current operational state and status of the RSE and a record of rail crossing events and alerts and warnings issued.

restricted lanes application info  (Planned)  Applicable ITS Standards

Restricted lane application configuration data and messaging parameters. This flow defines the location, duration, and operating parameters for lanes that are reserved for the exclusive use of certain types of vehicles (e.g., transit vehicles) or vehicles that meet other qualifications (e.g., number of occupants, low emissions criteria). It identifies the lane(s), the start and stop locations, start and end times, vehicle restrictions, speed limits and platooning parameters. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.

restricted lanes application status  (Planned)  Applicable ITS Standards

Current RSE application status that is monitored by the back office center including the operational state of the RSE, current configuration parameters, and a log of lane use (aggregate profiles of vehicles that checked in to the lane and reported vehicle speeds in the lanes) and RSE communications activity.

road closure application info  (Planned)  Applicable ITS Standards

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)  Applicable ITS Standards

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.

road weather advisory info  (Planned)  Applicable ITS Standards

Road weather advisories and associated configuration and control information that are used to manage the RSE. Advisories include segment–specific weather and road conditions including real–time advisories of deteriorating road and weather conditions, medium–term advisories for the next 212 hours, and long–term advisories more than 12 hours into the future. This flow includes a schedule for issuing the included advisories.

road weather advisory status  (Planned)  Applicable ITS Standards

Current RSE application status that is monitored by the back office center including the operational state of the RSE, current configuration parameters, and a log of advisories issued. The advisories may include advisories that are issued by the RSE based on locally collected environmental data (e.g., an ice on bridge advisory).

RSE application information  (Planned)  Applicable ITS Standards

RSE application configuration data and parameters that are used to control applications and configure the application for a specific local use. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.

RSE application install/upgrade  (Planned)  Applicable ITS Standards

This flow supports remote installation and update of software applications residing in the RSE. It supports transmission of the secure software installation files, including executable application code and associated support files.

RSE application status  (Planned)  Applicable ITS Standards

Monitoring of RSE application status including current mode, operational status, and configuration settings. It includes the status of installed applications and the application–specific data provided by the RSE.

situation data collection parameters  (Planned)  Applicable ITS Standards

The parameters that are used to control the flow of situation data from the RSE. This flow identifies the type of data/snapshots that are requested from passing vehicles and reporting parameters such as snapshot frequency, filtering criteria (data thresholds for reporting), and reporting interval that control the type and volume of data reported to the back office center.

speed management application information  (Planned)  Applicable ITS Standards

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)  Applicable ITS Standards

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 warning application info  (Planned)  Applicable ITS Standards

Roadway configuration data, current speed limits including time of day, week, or season speed limits as necessary, and warning parameters and thresholds. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.

speed warning application status  (Planned)  Applicable ITS Standards

Speed warning application status reported by the RSE. This includes current operational state and status of the RSE and a record of measured vehicle speeds and notifications, alerts, and warnings issued.

stop sign gap assist info  (Planned)  Applicable ITS Standards

Intersection and device configuration data and warning parameters and thresholds for the stop sign gap assist application. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.

stop sign gap assist RSE status  (Planned)  Applicable ITS Standards

Stop sign gap assist application status. This includes current operational state and status of the RSE and a log of stop sign gap assist events including alerts and warnings issued.

traffic metering application info  (Planned)  Applicable ITS Standards

Application parameters and thresholds. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.

traffic metering application status  (Planned)  Applicable ITS Standards

Traffic metering application status reported by the RSE. This includes current operational state and status of the RSE and a record of system operation.

traffic monitoring application info  (Planned)  Applicable ITS Standards

Traffic 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.

traffic monitoring application status  (Planned)  Applicable ITS Standards

Traffic monitoring application status reported by the RSE. This includes current operational state and status of the RSE and a record of system operation.

traffic situation data  (Planned)  Applicable ITS Standards

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.

traveler information application info  (Planned)  Applicable ITS Standards

Traveler information and associated parameters, filters, and thresholds that control the RSE's distribution of the traveler information to passing vehicles. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.

traveler information application status  (Planned)  Applicable ITS Standards

Application status reported by the RSE. This includes current operational state and status of the RSE and a record of traveler information distribution.

vehicle signage application info  (Planned)  Applicable ITS Standards

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)  Applicable ITS Standards

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.

work zone safety application info  (Planned)  Applicable ITS Standards

Work zone safety application configuration data and warning parameters and thresholds. This includes work zone configuration including geofenced crew areas and travel lanes that provide a safety boundary between work zone personnel and passing vehicles. This flow also supports remote control of the application so the application can be taken offline, reset, or restarted.

work zone safety application status  (Planned)  Applicable ITS Standards

Work zone safety application status reported by the RSE. This includes current operational state and status of the RSE and a record of identified work zone safety alerts and warnings issued.