State of Qatar ITS Architecture State of Qatar
State of Qatar ITS Architecture State of Qatar ITS Architecture State of Qatar ITS Architecture

Architecture Flow Descriptions

This is an alphabetical listing of each architecture flow in the Qatar ITS Architecture and its definition.

Architecture Flow Architecture Flow Description
accident report Report of commercial vehicle safety accident. The information may be provided as a response to a real-time query or proactively by the source. The query flow is not explicitly shown.
air quality information Aggregated region-wide measured air quality data and possible pollution incident information.
alarm Information about a Commercial Vehicle or Freight Equipment breach, non-permitted security sensitive hazmat detected at the roadside, route deviation, or Commercial Vehicle Driver / Commercial Vehicle / Freight Equipment assignment mismatches which includes the location of the Commercial Vehicle and appropriate identities.
alarm acknowledge Confirmation that alarm was received, instructions and additional information for the alarm initiator, and requests for additional information.
alarm notification Notification of activation of an audible or silent alarm by a traveler in a public area or by a public transportation vehicle operator using an on-board device.
alert notification Notification of a major emergency such as a natural or man-made disaster, civil emergency, or child abduction for distribution to the public. The flow identifies the alert originator, the nature of the emergency, the geographic area affected by the emergency, the effective time period, and information and instructions necessary for the public to respond to the alert. This flow may also identify specific information that should not be released to the public.
alert response This flow represents the tactile or auditory interface with ITS equipment containing the response by a Commercial Vehicle Driver or Fleet-Freight Manager that confirms or cancels an alert.
alert status Information indicating the current status of the emergency alert including identification of the traveler and driver information systems that are being used to provide the alert.
alerts This flow represents the visual or auditory interface with ITS equipment containing specific alerts and messages related to commercial vehicles (e.g. trucks not advised, trucks over 10 tons not allowed on bridge, route details). This also includes detected route deviations and warning indications detected by on-board sensors (e.g., safety) and freight equipment sensors (e.g., breach, cargo).
alerts and advisories Assessments (general incident and vulnerability awareness information), advisories (identification of threats or recommendations to increase preparedness levels), and alerts (information on imminent or in-progress emergencies). This flow also provides supporting descriptive detail on incidents, threats, and vulnerabilities to increase preparedness and support effective response to threats against the surface transportation system.
archive analysis requests A user request that initiates data mining, analytical processing, aggregation or summarization, report formulation, or other advanced processing and analysis of archived data. The request also includes information that is used to identify and authenticate the user and support electronic payment requirements, if any.
archive analysis results Processed information products, supporting meta data, and any associated transaction information resulting from data mining, analytical processing, aggregation or summarization, report formulation, or other on-line processing and analysis of archived data.
archive request confirmation Confirmation that an archive request has been received and processed with information on the disposition of the request.
archive requests A request to a data source for information on available data (i.e. "catalog") or a request that defines the data to be archived. The request can be a general subscription intended to initiate a continuous or regular data stream or a specific request intended to initiate a one-time response from the recipient.
archive status Notification that data provided to an archive contains erroneous, missing, or suspicious data or verification that the data provided appears valid. If an error has been detected, the offending data and the nature of the potential problem are identified.
archived data product requests A user-specified request for archived data products (i.e. data, meta data, or data catalogs). The request also includes information that is used to identify and authenticate the user and support electronic payment requirements, if any.
archived data products Raw or processed data, meta data, data catalogs and other data products provided to a user system upon request. The response may also include any associated transaction information.
area pollution data Measured air quality data, including measured levels of atmospheric pollutants including ozone, particulate matter, carbon monoxide, and nitrogen oxides, and operational status of the sensors.
arrival notification Notification of arrival (and departure) of a motor vehicle at the inspection station.
arriving train information Information for a train approaching a highway-rail intersection that may include direction and allow calculation of approximate arrival time and closure duration.
audit data Information to support a tax audit.
booking status Status of the freight transport booking that includes the identities of the Commercial Vehicle and driver who will pick-up the freight or a request for more information from the originator.
border agency clearance results Notification regarding the granting of permission for commercial freight shipment to enter the U.S.
border clearance data Trip specific data regarding the movement of goods across international borders. Includes trip identification number. May also include results from recent border crossing screening events.
border clearance data request Request for trip specific data regarding the movement of goods across international borders. Includes trip identification number. May also include results from recent border crossing screening events.
border clearance event Reports clearance event data regarding action taken at border, including acceptance or override of system decision, and date/time stamp
border clearance status Notification regarding the crossing status of commercial freight shipment scheduled to enter the U.S. Includes portions of border agency and transportation agency clearance results, as they become available.
border pass/pull-in Command to commercial vehicle to pull into or bypass border inspection station
broadcast traveler information General traveler information that contains traffic and road conditions, link travel times, incidents, advisories, restrictions, public transportation service information, weather information, parking information, and other related traveler information.
care facility status Information regarding facility type and capabilities, facility status, and its ability to admit new patients.
care facility status request Request for information regarding care facility availability and status.
carrier participation report Report that summarizes motor carrier participation in CVO programs. Used to identify the level of active participation and to report which enrolled carriers are not participating as expected.
citation Report of commercial vehicle citation. The citation includes references to the statute(s) that was (were) violated. It includes information on the violator and the officer issuing the citation. A citation differs from a violation because it is adjudicated by the courts. The information may be provided as a response to a real-time query or proactively by the source. The query flow is not explicitly shown.
clearance notification Notification that cargo has been cleared through customs.
client id A common identification number that can be used by all BIFA agencies and organizations to reference the carrier.
client verification information Information about carriers who have made border credential applications such as commercial drivers license information and carrier safety status.
client verification request Request for information such as commercial drivers license information and carrier safety status.
commercial vehicle breach Information about a breach or tamper event on a Commercial Vehicle or its attached freight equipment which includes identity, type of breach, location, and time.
commercial vehicle disable This flow safely disables a specific commercial vehicle.
commercial vehicle permit Permit for oversize, overweight, or hazmat shipments.
compliance review report Report containing results of carrier compliance review, including concomitant out-of-service notifications, carrier warnings/notifications. The information may be provided as a response to a real-time query of proactively by the source. The query flow is not explicitly shown.
credential application Application for commercial vehicle credentials. Authorization for payment is included.
credentials information Response containing full vehicle fuel tax and registration credentials information. "Response" may be provided in reaction to a real-time query or a standing request for updated information. The query flow is not explicitly shown.
credentials status information Credentials information such as registration, licensing, insurance, check flags, and electronic screening enrollment data. A unique identifier is included. Corresponds to the credentials portion of CVISN "snapshots." The status information may be provided as a response to a real-time query or as a result of a standing request for updated information (subscription). This may also include information about non-U.S. fleets for use by U.S. authorities, and information regarding U.S. fleets made available to Mexican and Canadian authorities. The query flow is not explicitly shown.
current asset restrictions Restrictions levied on transportation asset usage based on infrastructure design, surveys, tests, or analyses. This includes standard facility design height, width, and weight restrictions, special restrictions such as spring weight restrictions, and temporary facility restrictions that are imposed during maintenance and construction.
cv driver credential Driver information (e.g., identity, biometrics, address, date of birth, endorsements, restrictions) stored on a driver’s license or other official identification card used to identify a driver of commercial vehicles.
cv driver record Information typically maintained by a state driver licensing agency about a driver of a commercial vehicle including driver identification data, license data, permit data, and driving history details. The query flow is not explicitly shown.
cv repair status Information about the completion of a repair to a commercial vehicle.
CVO driver initialization This flow represents the tactile or auditory interface with ITS equipment containing the commercial vehicle driver and vehicle information. This flow contains inquiries to the commercial vehicle managing system, interaction with on-board equipment including setup, configuration, and initiation of self tests, and entry of carrier, driver, vehicle, and route information.
CVO pass/pull-in message This flow represents the visual or auditory interface with ITS equipment containing a message sent to commercial vehicle driver indicating whether to bypass or requesting pull in to inspection/verification stop along with inspection results (e. g., LED indicator on transponder or variable message sign).
CVO weight and presence Physical attribute of commercial vehicle that can be measured (for example, weight, number of axels, axel spacing, etc.).
daily site activity data Record of daily activities at commercial vehicle check stations including summaries of screening events and inspections.
data collection and monitoring control Information used to configure and control data collection and monitoring systems.
decision support information Information provided to support effective and safe incident response, including local traffic, road, and weather conditions, hazardous material information, and the current status of resources that have been allocated to an incident.
demand response passenger and use data Data collected on board a demand response vehicle relating to the picking up and discharging of passengers.
demand responsive public transportation plan Plan regarding overall demand responsive public transportation schedules and deployment.
demand responsive public transportation request Request for paratransit transportation support.
device control request Request for device control action
device data Data from detectors, environmental sensor stations, and traffic control devices including device inventory information.
device status Status information from devices
disable commercial vehicle A request that a specific commercial vehicle should be safely disabled.
driver alert response Commercial Vehicle Driver response to a breach alert for a Freight Equipment breach or tamper event.
driver identity characteristics The physical or visible characteristics of a commercial vehicle driver that can be measured to uniquely identify a driver. Could be an Identification Card with a Personal Identification Number, biometrics, or visual verification by an operator.
driver information Regulatory, warning, and guidance information provided to the driver while en route to support safe and efficient vehicle operation.
driver log A daily log showing hours in service for the current driver. The query flow is not explicitly shown.
electronic lock data Notification to roadside (via transponder) of the presence and status of electronic cargo locks.
electronic lock data request Request from roadside for data regarding presence and status of electronic cargo locks.
electronic screening request Request for identification data to support electronic screening.
emergency acknowledge Acknowledge request for emergency assistance and provide additional details regarding actions and verification requirements.
emergency archive data Logged emergency information including information that characterizes identified incidents (routine highway incidents through disasters), corresponding incident response information, evacuation information, surveillance data, threat data, and resource information. Content may include a catalog of available information, the actual information to be archived, and associated meta data that describes the archived information.
emergency data request A request for additional information or a control command issued by the emergency response agency in response to an emergency request for assistance from a traveler.
emergency dispatch requests Emergency vehicle dispatch instructions including incident location and available information concerning the incident.
emergency dispatch response Request for additional emergency dispatch information and provision of en route status.
emergency notification An emergency request for assistance automatically initiated by a vehicle or originated by a traveler using an in-vehicle or personal device.
emergency plan coordination Information that supports coordination of emergency management plans, continuity of operations plans, emergency response and recovery plans, evacuation plans, and other emergency plans between agencies. This includes general plans that are coordinated prior to an incident and shorter duration tactical plans that are prepared during an incident.
emergency public transportation schedule information Information on public transportation schedule and service changes that adapt the service to better meet needs of responders and the general public in an emergency situation, including special service schedules supporting evacuation.
emergency public transportation service request Request to modify public transportation service and fare schedules to address emergencies, including requests for public transportation services to evacuate people from and/or deploy response agency personnel to an emergency scene. The request may poll for resource availability or request pre-staging, staging, or immediate dispatch of public transportation resources.
emergency public transportation service response Response indicating changes to public transportation service, fares, and/or restrictions that will be made and status of public transportation resources to be deployed to support emergency response and/or evacuation.
emergency route request Request for access routes for emergency response vehicles and equipment. This may be a request for ingress or egress routes or other emergency routes.
emergency routes Suggested ingress and egress routes for access to and between the scene and staging areas or other specialized emergency access routes.
emergency traffic control information Status of a special traffic control strategy or system activation implemented in response to an emergency traffic control request, a request for emergency access routes, a request for evacuation, a request to activate closure systems, a request to employ driver information systems to support public safety objectives, or other special requests. Identifies the selected traffic control strategy and system control status.
emergency traffic control request Special request to preempt the current traffic control strategy in effect at one or more signalized intersections or highway segments, activate traffic control and closure systems such as gates and barriers, activate safeguard systems, or use driver information systems. For example, this flow can request all signals to red-flash, request a progression of traffic control preemptions along an emergency vehicle route, request a specific evacuation traffic control plan, request activation of a road closure barrier system, or place a public safety or emergency-related message on a dynamic message sign.
emergency traffic coordination Coordination supporting disaster response including evacuation and reentry. Includes coordination of special traffic control strategies that support efficient evacuation and reentry while protecting and optimizing movement of response vehicles and other resources responding to the emergency.
emergency traveler information Public notification of an emergency such as a natural or man-made disaster, civil emergency, or child abduction. This flow also includes evacuation information including evacuation instructions, evacuation zones, recommended evacuation times, tailored evacuation routes and destinations, traffic and road conditions along the evacuation routes, traveler services and shelter information, and reentry times and instructions.
emergency traveler information request Request for alerts, evacuation information, and other emergency information provided to the traveling public.
emergency vehicle tracking data The current location and operating status of the emergency vehicle.
emissions sensor control Data used to configure and control vehicle emissions sensors.
environmental conditions data 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 and aggregated by the data collector. Attributes relating to the data collection (and aggregation) are also included.
environmental conditions data status Status of the data quality of environmental conditions data provided by a data contributor. Includes not only status by sensor, but statistical data regarding the quality checking of data provided.
environmental sensor data 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 sensors control Data used to configure and control environmental sensors.
equipment availability An inventory of the maintenance and construction equipment available at the storage facility. This flow includes the type of equipment, enough descriptive information to indicate its suitability for use, and its current status. This flow may contain information for a specific type of equipment or include all equipment available at the facility.
equipment maintenance status Current status of field equipment maintenance actions.
evacuation information Evacuation instructions and information including evacuation zones, evacuation times, and reentry times.
event plans Plans for major events possibly impacting traffic.
expected driver identity characteristics Driver identification information e.g. encrypted PIN codes issued to drivers, encrypted driver biometric parameters.
fare collection data Fare collection information including the summary of on-board fare system data and financial payment transaction data.
fare management information Transit fare information and transaction data used to manage public transportation fare processing on the public transportation vehicle.
field equipment status Identification of field equipment requiring repair and known information about the associated faults.
fleet and freight threat information Information about threats detected by commercial vehicle fleet and freight operators. The threats include incidents involving commercial vehicles (i.e. hijacking), unusual activities observed by commercial vehicle operators (i.e. truck parked under a bridge), and incidents involving freight equipment (i.e. freight equipment tampering).
freight breach Information about a breach or tamper event on Freight Equipment which includes identity, type of breach, location, and time.
freight equipment information Container, trailer, or chassis information regarding identity, type, location, brake wear data, mileage, seal #, seal type, door open/close status, chassis bare/covered status, tethered / untethered status, Bill of Lading, and sensor status.
freight transport booking Booking information for the transport of freight that includes company, contact information, point of origin, pick-up location, drop-off location, and freight equipment identifier.
freight transportation status A time-stamped status of a freight shipment as it passes through the supply chain from manufacturer through arrival at its final destination; including cargo movement logs, routing information, and cargo ID’s.
hazmat information Information about a particular hazmat load including nature of the load and unloading instructions. May also include hazmat vehicle route and route update information.
hazmat information request Request for information about a particular hazmat load.
hazmat spill notification Information provided to emergency response organizations when cargo sensors detect a release of hazardous material. This information will include sensor information, vehicle location and identification, and carrier identification.
hri advisories Notification of Highway-Rail Intersection equipment failure, intersection blockage, or other condition requiring attention, and maintenance activities at or near highway rail intersections.
hri control data Data required for HRI information transmitted at railroad grade crossings and within railroad operations.
hri operational status Status of the highway-rail grade crossing equipment including both the current state or mode of operation and the current equipment condition.
hri request A request for highway-rail intersection status or a specific control request intended to modify HRI operation.
hri status Status of the highway-rail intersection equipment including both the current state or mode of operation and the current equipment condition.
identification information The physical characteristics of a commercial vehicle that can be used to determine a vehicle's identity, such as a license plate number, USDOT number, ICC number, bar code, etc.
identities Identification information for the Commercial Vehicle (e.g., license plate number or USDOT number), Freight Equipment (e.g., container, chassis, or trailer identification), and Driver.
incident information Notification of existence of incident and expected severity, location, time and nature of incident. As additional information is gathered and the incident evolves, updated incident information is provided. Incidents include any event that impacts transportation system operation ranging from routine incidents (e.g., disabled vehicle at the side of the road) through large-scale natural or human-caused disasters that involve loss of life, injuries, extensive property damage, and multi-jurisdictional response. This also includes special events, closures, and other planned events that may impact the transportation system.
incident information for media Report of current desensitized incident information prepared for public dissemination through the media.
incident report Report of an identified incident including incident location, type, severity and other information necessary to initiate an appropriate incident response.
incident response coordination Incident response procedures and current incident response status that are shared between allied response agencies to support a coordinated response to incidents. This flow provides current situation information, including a summary of incident status and its impact on the transportation system and other infrastructure, and current and planned response activities. This flow also coordinates a positive hand off of responsibility for all or part of an incident response between agencies.
incident response status Status of the current incident response including a summary of incident status and its impact on the transportation system, traffic management strategies implemented at the site (e.g., closures, diversions, traffic signal control overrides), and current and planned response activities.
incident status Information gathered at the incident site that more completely characterizes the incident and provides current incident response status.
information on violators Information on violators provided by a law enforcement agency. May include information about commercial vehicle violations or other kinds of violations associated with the particular entity. The information may be provided as a response to a real-time query or proactively by the source. The query flow is not explicitly shown.
infrastructure conditions data Current condition of pavement, bridges, culverts, signs, and other roadway infrastructure as measured by on-board sensors or read from infrastructure-based sensors. The data may include raw data or images (e.g., photo logs) that indicate the current status of the infrastructure.
infrastructure monitoring sensor control Data used to configure and control infrastructure monitoring sensors.
infrastructure monitoring sensor data Data read from infrastructure-based sensors that monitor the condition or integrity of transportation infrastructure including bridges, tunnels, interchanges, pavement, culverts, signs, public transportation rail or guideway, and other roadway infrastructure. Includes sensor data and the operational status of the sensors.
inspection results Report of results of border inspection on a particular load.
interactive traveler information Traveler information provided in response to a traveler request. The provided information includes traffic and road conditions, advisories, incidents, payment information, public transportation services, parking information, weather information, and other travel-related data updates and confirmations.
intermodal freight archive data Information describing demand at intermodal freight terminals including loading/unloading activities of trailers and containers. Content may include a catalog of available information, the actual information to be archived, and associated meta data that describes the archived information.
intermodal freight event information Plans for movement of intermodal freight from the depot area possibly impacting traffic. May also include requests for special treatment at traffic signals or dynamic lane management systems.
intermodal freight traffic confirmation Confirmation that details concerning the movement of intermodal freight on the roadway network have been received and processed. May also include information on traffic conditions affecting the depot including information concerning any special traffic control accommodations or restrictions for commercial vehicles.
intersection blockage notification Notification that a highway-rail intersection is obstructed and supporting information.
lane management control Information used to configure and control dynamic lane management systems.
lane management information System status including current operational state, violations, and logged information.
license request Request supporting registration data based on license plate read during violation.
lighting system control data Information used to configure and control roadside lighting systems.
lighting system status Status of roadside lighting controls including operating condition and current operational state.
local signal preemption request Direct control signal or message to a signalized intersection that results in preemption of the current control plan and grants right-of-way to the requesting vehicle.
local signal priority request Request from a vehicle to a signalized intersection for priority at that intersection.
logged vehicle routes Anticipated route information for guided vehicles, special vehicles (e.g., oversize vehicles) or groups of vehicles (e.g., governor's motorcade) that may require changes in traffic control strategy.
maint and constr archive data Information describing road construction and maintenance activities identifying the type of activity, the work performed, and work zone information including work zone configuration and safety (e.g., a record of intrusions and vehicle speeds) information. For construction activities, this information also includes a description of the completed infrastructure, including as-built plans as applicable. Content may include a catalog of available information, the actual information to be archived, and associated meta data that describes the archived information.
maint and constr dispatch information Information used to dispatch maintenance and construction vehicles, equipment, and crews and information used to keep work zone crews informed. This information includes routing information, traffic information, road restrictions, incident information, environmental information, decision support information, maintenance schedule data, dispatch instructions, personnel assignments, alert notifications, and corrective actions.
maint and constr dispatch status Current maintenance and construction status including work data, operator status, crew status, and equipment status.
maint and constr resource request Request for road maintenance and construction resources that can be used in the diversion of traffic (cones, portable signs), clearance of a road hazard, repair of ancillary damage, or any other incident response. The request may poll for resource availability or request pre-staging, staging, or immediate dispatch of resources.
maint and constr resource response Current status of maintenance and construction resources including availability and deployment status. General resource inventory information covering vehicles, equipment, materials, and people and specific resource deployment status may be included.
maint and constr vehicle location data The current location and related status (e.g., direction and speed) of the maintenance/construction vehicle.
maint and constr vehicle operational data Data that describes the maintenance and construction activity performed by the vehicle. Operational data includes materials usage (amount stored and current application rate), operational state of the maintenance equipment (e.g., blade up/down, spreader pattern), vehicle safety status, and other measures associated with the operation of a maintenance, construction, or other special purpose vehicle. Operational data may include basic operational status of the vehicle equipment or a more precise record of the work performed (e.g., application of crack sealant with precise locations and application characteristics).
maint and constr vehicle system control Configure and control data that supports remote control of on-board maintenance and construction vehicle systems and field equipment that is remotely controlled by the vehicle. For example, the data can be used to adjust material application rates and spread patterns.
maint and constr work plans Future construction and maintenance work schedules and activities including anticipated closures with anticipated impact to the roadway, alternate routes, anticipated delays, closure times, and durations.
maintenance materials storage status The amount and availability of maintenance materials in storage facilities.
manifest data Identifies Port of Entry, date, and information on carrier and goods, origin, etc.
manifest receipt confirmation Confirmation that a shippers manifest has been received.
multimodal service data Multimodal transportation schedules and other service information.
on-board safety data Safety data measured by on-board sensors. Includes information about the vehicle, vehicle components, cargo, and driver. The query flow is not explicitly shown.
on-board vehicle data Information about the commercial vehicle stored on-board (for maintenance purposes, gate access, cargo status, lock status, etc.).
on-board vehicle request Request for on-board vehicle data.
parking archive data Data used to analyze and monitor trends in parking demand, pricing, and operational actions. Content may include a catalog of available information, the actual information to be archived, and associated meta data that describes the archived information.
parking coordination Information that enables parking management activities to be coordinated between different parking operators or systems in a region.
parking demand management request Request to change the demand for parking facility use through pricing or other mechanisms.
parking demand management response Response to parking demand management change requests indicating level of compliance with request.
parking information General parking information and status, including current parking availability.
parking lot data request Request for parking lot occupancy, fares, and availability. The request can be a subscription that initiates as-needed information updates as well as a one-time request for information.
parking lot inputs Instructions for operation of local parking facilities to support regional traffic management objectives (e.g. which parking lot exits to use). Also, includes inputs from traffic sensors to support calculation of parking lot occupancy and support more effective management of parking entrances and exits.
parking lot reservation confirmation Confirmation for parking lot reservation.
parking reservations request Reservation request for parking lot.
pass/pull-in Command to commercial vehicle to pull into or bypass inspection station.
patient status Information that supports assessment of the patient's condition. Information could include general categorization of patient status, patient vital signs, pertinent medical history, and emergency care information.
payment Payment of some kind (e.g., toll, parking, fare) by traveler which, in most cases, can be related to a credit account.
payment request Request for payment from financial institution.
payment violation notification Notification to enforcement agency of a toll, parking, or public transportation fare payment violation.
personal public transportation information General and personalized public transportation information for a particular fixed route, flexible route, or paratransit system.
pollution sensor control Data used to configure and control area pollution and air quality sensors.
pollution state data request Aggregated emissions data information request.
pre-arrival notification Identification of a vehicle or driver that is approaching a border crossing.
public transportation and fare schedules Transit service information including routes, schedules, and fare information.
public transportation archive data Data used to describe and monitor public transportation demand, fares, operations, and system performance. Content may include a catalog of available information, the actual information to be archived, and associated meta data that describes the archived information.
public transportation emergency data Initial notification of public transportation emergency at a public transportation stop or on public transportation vehicles and further coordination as additional details become available and the response is coordinated.
public transportation fare and passenger status Information provided from the traveler location that supports fare payments, passenger data, and associated record-keeping.
public transportation fare coordination Fare and pricing information shared between local/regional public transportation organizations.
public transportation fare information Information provided by public transportation management that supports fare payment transactions and passenger data collection.
public transportation incident information Information on public transportation incidents that impact public transportation services for public dissemination.
public transportation information request Request for public transportation operations information including schedule and fare information. The request can be a subscription that initiates as-needed information updates as well as a one-time request for information.
public transportation information user request Request for special public transportation routing, real-time schedule information, and availability information.
public transportation multimodal information Transit schedule information for coordination at modal interchange points.
public transportation probe data Aggregate probe data derived from tracking public transportation vehicles. Data collected could include public transportation vehicle speeds and travel times for a given link or collection of links.
public transportation request confirmation Confirmation of a request for public transportation information or service.
public transportation schedule adherence information Dynamic public transportation schedule adherence and public transportation vehicle location information.
public transportation schedule information Current and projected public transportation schedule information used to initialize the public transportation vehicle with a vehicle assignment, monitor schedule performance, and develop corrective actions on-board.
public transportation service coordination Schedule coordination information shared between local/regional public transportation organizations.
public transportation system data Current public transportation system operations information indicating current public transportation routes, the level of service on each route, and the progress of individual vehicles along their routes for use in forecasting demand and estimating current transportation network performance.
public transportation system status assessment Assessment of damage sustained by the public transportation system including location and extent of the damage, current operational status including an estimate of remaining capacity and necessary restrictions, and time frame for repair and recovery.
public transportation traveler information Transit information prepared to support public transportation users and other travelers. It contains public transportation schedules, real-time arrival information, fare schedules, alerts and advisories, and general public transportation service information.
public transportation traveler request Request by a Transit traveler to summon assistance, request public transportation information, or request any other public transportation services.
public transportation trip plan An origin-destination public transportation trip that may involve multiple modes and connections. (could use current trip plan that is PIAS to ISP, but since this is center to center a separate AF might be called for).
public transportation trip request Request for a public transportation trip plan that is responsive to traveler requirements such as schedule, cost, or duration.
public transportation vehicle conditions Operating conditions of public transportation vehicle (e.g., engine running, oil pressure, fuel level and usage).
public transportation vehicle loading data Data collected on board the public transportation vehicle relating to passenger boarding and alighting.
public transportation vehicle location data Current public transportation vehicle location and related operational conditions data provided by a public transportation vehicle.
public transportation vehicle operator authentication information Information regarding on-board public transportation operator authentication
public transportation vehicle operator authentication update Results of authentication process or update of on-board authentication database.
public transportation vehicle operator information Transit service instructions, wide area alerts, traffic information, road conditions, and other information for both public transportation and paratransit operators.
public transportation vehicle schedule performance Estimated times of arrival and anticipated schedule deviations reported by a public transportation vehicle.
qualified environmental conditions data 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) that has had quality checks performed on it and has been formatted and consolidated by the Clarus system. Attributes relating to the data collection (and aggregation) are also included.
railroad advisories Real-time notification of railway-related incident or advisory.
railroad schedules Train schedules, maintenance schedules, and other information from the railroad that supports forecast of HRI closures.
registration Registered owner of vehicle and associated vehicle information.
remote surveillance control The control commands used to remotely operate another center's sensors or surveillance equipment so that roadside surveillance assets can be shared by more than one agency.
remote vehicle disable Signal used to remotely disable a public transportation vehicle.
request for enforcement Request for traffic enforcement of speed limits, lane controls, etc. on a roadway including in a work zone or other special situations.
request for payment Request to deduct cost of service from user's payment account.
request for permit Request by fleet management for oversize, overweight, or hazmat permit.
request for vehicle measures Request for vehicle performance and maintenance data collected by onboard sensors.
request public transportation information Request for public transportation service information and current public transportation status.
request tag data Request for tag information including credit identity, stored value card cash, etc.
resource deployment status Status of resource deployment identifying the resources (vehicles, equipment, materials, and personnel) available and their current status. General resource inventory information and specific status of deployed resources may be included.
resource request A request for resources to implement special traffic control measures, assist in clean up, verify an incident, etc. The request may poll for resource availability or request pre-staging, staging, or immediate deployment of resources. Resources may be explicitly requested or a service may be requested and the specific resource deployment may be determined by the responding agency.
right-of-way request notification 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 network conditions Current and forecasted traffic information, road and weather conditions, and other road network status. Either raw data, processed data, or some combination of both may be provided by this architecture flow. Information on diversions and alternate routes, closures, and special traffic restrictions (lane/shoulder use, weight restrictions, width restrictions, HOV requirements) in effect is included along with a definition of the links, nodes, and routes that make up the road network.
road network conditions_ud This is the standard road network conditions flow from the TMC, but to the Multimodal Transportation Service Provider so they can make decisions about other modes that are dependent on roadway traffic conditions (e.g. to deliver passengers or crew to commercial airplanes).
road network status assessment Assessment of damage sustained by the road network including location and extent of the damage, estimate of remaining capacity, required closures, alternate routes, necessary restrictions, and time frame for repair and recovery.
road network traffic probe data Aggregated route usage, travel times, and other aggregated data collected from probe vehicles that can be used to estimate current traffic conditions.
road weather information Road conditions and weather information that are made available by road maintenance operations to other transportation system operators.
roadside archive data A broad set of data derived from roadside sensors that includes current traffic conditions, environmental conditions, and any other data that can be directly collected by roadside sensors. This data also indicates the status of the sensors and reports of any identified sensor faults.
roadway equipment coordination The direct flow of information between field equipment. This includes transfer of information between sensors and driver information systems (e.g., DMS, HAR, variable speed limit signs, dynamic lane signs) or control devices (e.g., traffic signals, ramp meters), direct coordination between adjacent control devices, interfaces between detection and warning or alarm systems, and any other direct communications between field equipment.
roadway information system data Information used to initialize, configure, and control roadside systems that provide driver information (e.g., dynamic message signs, highway advisory radio, beacon systems). 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 information system status Current operating status of dynamic message signs, highway advisory radios, beacon systems, or other configurable field equipment that provides dynamic information to the driver.
route restrictions Information about routes, road segments, and areas that do not allow the transport of security sensitive hazmat cargoes or include other restrictions (such as height or weight limits).
safety inspection record Record containing results of commercial vehicle safety inspection.
safety inspection report Report containing results of commercial vehicle safety inspection. The information may be provided as a response to a real-time query or proactively by the source. The query flow is not explicitly shown.
safety inspection request Request for safety inspection record.
safety status information Safety information such as safety ratings, security ratings or flags, inspection summaries, and violation summaries. A unique identifier is included. Corresponds to the safety and security portion of CVISN "snapshots." The status information may be provided as a response to a real-time query or as a result of a standing request for updated information (subscription). This may also include information about non-U.S. fleets for use by U.S. authorities, and information regarding U.S. fleets made available to Mexican and Canadian authorities. The query flow is not explicitly shown.
screening event record Results of CVO electronic screening activity.
screening results Results of commercial vehicle screening event at a border crossing - reports clearance event data regarding action taken at border, including acceptance or override of system decision, and date/time stamp.
secure area sensor control Information used to configure and control threat sensors (e.g., thermal, acoustic, radiological, chemical), object, motion and intrusion detection sensors. The provided information controls sensor data collection, aggregation, filtering, and other local processing.
secure area sensor data Data provided by threat sensors (e.g., thermal, acoustic, radiological, chemical), and intrusion, motion, and object detection sensors in secure areas indicating the sensor's operational status, raw and processed sensor data, and alarm indicators when a threat has been detected.
secure area surveillance control Information used to configure and control audio and video surveillance systems used for transportation infrastructure security in secure areas. The provided information controls surveillance data collection, aggregation, filtering, and other local processing.
secure area surveillance data Data collected from surveillance systems used to monitor secure areas. Includes video, audio, processed surveillance data, equipment operational status, and alarm indicators when a threat has been detected.
selected routes Routes selected based on route request criteria.
short range communications status Status of the short range communications equipment including the current state or mode of operation and the current equipment status.
signal control commands Control of traffic signal controllers or field masters including clock synchronization.
signal control status Operational and status data of traffic signal control equipment including operating condition and current indications.
speed monitoring control Information used to configure and control automated speed monitoring, speed warning, and speed enforcement systems.
speed monitoring information System status including current operational state and logged information including measured speeds, warning messages displayed, and violation records.
storage facility request Request for information about the equipment and/or materials available at a maintenance storage facility.
suggested route Suggested route for a dispatched emergency or maintenance vehicle that may reflect current network conditions and the additional routing options available to en route emergency or maintenance vehicles that are not available to the general public.
tag data Unique tag ID and related vehicle information.
targeted list List of carriers, drivers, and/or vehicles of interest for enforcement purposes.
tax filing Commercial vehicle tax filing data. Authorization for payment is included.
threat information Threats regarding transportation infrastructure, facilities, or systems detected by a variety of methods (sensors, surveillance, threat analysis of advisories from outside agencies, etc.
toll archive data Data indicating toll facility usage and pricing schedules. Content may include a catalog of available information, the actual information to be archived, and associated meta data that describes the archived information.
toll data Current toll schedules for different types of vehicles as well as advanced toll payment information.
toll data request Request made to obtain toll schedule information or pay a toll in advance. The request can be a subscription that initiates as-needed information updates as well as a one-time request for information.
toll instructions Information provided to configure and support toll plaza operations including toll pricing information.
toll transactions Detailed list of transactions from a toll station.
track status Current status of the wayside equipment and notification of an arriving train.
traffic archive data Information describing the use and vehicle composition on transportation facilities and the traffic control strategies employed. Content may include a catalog of available information, the actual information to be archived, and associated meta data that describes the archived information.
traffic control priority request Request for signal priority at one or more intersections along a particular route.
traffic control priority status Status of signal priority request functions at the roadside (e.g. enabled or disabled).
traffic flow 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 images High fidelity, real-time traffic images suitable for surveillance monitoring by the operator or for use in machine vision applications.
traffic information for media Report of traffic conditions including traffic incident reports and traffic images for public dissemination through the media. The reports may also include information on diversions and alternate routes, closures, and special traffic restrictions in effect.
traffic metering control Control commands and operating parameters for ramp meters, interchange meters, mainline meters, and other systems equipment associated with roadway metering operations.
traffic metering status Current operational status and operating parameters for ramp meters, interchange meters, mainline meters and other control equipment associated with roadway metering operations.
traffic operator data Presentation of traffic operations data to the operator including traffic conditions, current operating status of field equipment, maintenance activity status, incident status, video images, security alerts, emergency response plan updates and other information. This data keeps the operator appraised of current road network status, provides feedback to the operator as traffic control actions are implemented, provides transportation security inputs, and supports review of historical data and preparation for future traffic operations activities.
traffic operator inputs User input from traffic operations personnel including requests for information, configuration changes, commands to adjust current traffic control strategies (e.g., adjust signal timing plans, change DMS messages), and other traffic operations data entry.
traffic probe data Vehicle data that is used to determine traffic conditions. In a basic implementation, the data could be limited to time stamped unique identifiers that can be used to measure a vehicle’s progress through the network. In more advanced implementations, the vehicle may report current position, speed, and heading and snapshots of recent events including route information, starts and stops, speed changes, and other information that can be used to estimate traffic conditions.
traffic sensor control Information used to configure and control traffic sensor systems.
transaction status Response to transaction request. Normally dealing with a request for payment.
transportation border clearance assessment Includes directions for commercial driver to proceed to nearest vehicle weigh and inspection station for further review if required.
transportation system status Current status and condition of transportation infrastructure (e.g., tunnels, bridges, interchanges, TMC offices, maintenance facilities). In case of disaster or major incident, this flow provides an assessment of damage sustained by the surface transportation system including location and extent of the damage, estimate of remaining capacity and necessary restrictions, and time frame for repair and recovery.
traveler alerts Traveler information alerts reporting congestion, incidents, adverse road or weather conditions, parking availability, public transportation service delays or interruptions, and other information that may impact the traveler. Relevant alerts are provided based on traveler-supplied profile information including trip characteristics and preferences.
traveler archive data Data associated with traveler information services including service requests, facility usage, rideshare, routing, and traveler payment transaction data. Content may include a catalog of available information, the actual information to be archived, and associated meta data that describes the archived information.
traveler information for media General traveler information regarding incidents, unusual traffic conditions, public transportation issues, or other advisory information that has been desensitized and provided to the media.
traveler profile Information about a traveler including equipment capabilities, personal preferences, and traveler alert subscriptions.
traveler request A request for traveler information including traffic, public transportation, toll, parking, road weather conditions, event, and passenger rail information. The request identifies the type of information, the area of interest, parameters that are used to prioritize or filter the returned information, and sorting preferences.
trigger area A geographic area a commercial motor vehicle crosses into, which initiates a request to compile and transmit a safety data message. May be associated with a time period.
trigger area notification Notification to activate wireless roadside inspection safety data message collection.
trip declaration identifiers Specific identifiers extracted from notification containing information regarding pending commercial freight shipment into the U.S. Includes carrier, vehicle, and driver identification data.
trip identification number The unique trip load number for a specific cross-border shipment.
variable speed limit control Information used to configure and control variable speed limit systems including the equipment used to provide current speed limits and other information to drivers and the equipment used to monitor traffic and environmental conditions along the roadway.
variable speed limit status Current operating status of the variable speed limit systems including the state of the equipment.
vehicle characteristics The physical or visible characteristics of an individual vehicle that can be measured to classify a vehicle and imaged to uniquely identify a vehicle.
vehicle emissions data Measured emissions of specific vehicles comprised of exhaust pollutants including hydrocarbons, carbon monoxide, and nitrogen oxides.
vehicle payment information Information provided for payment of tolls and parking fees including identification that can be used to identify the payment account or source and related vehicle and service information that are used to determine the type and price of service requested.
vehicle payment request Request for information supporting toll and parking payments.
vehicle payment update Data written to vehicle equipment to support electronic toll collection or parking payment.
vehicle signage data In-vehicle signing data that augments regulatory, warning, and informational road signs and signals. The information provided would include static sign information (e.g., stop, curve warning, guide signs, service signs, and directional signs) and dynamic information (e.g., current signal states, grade crossing information, local traffic and road conditions, advisories, and detours).
video surveillance control Information used to configure and control video surveillance systems.
violation notification Notification to enforcement agency of a violation. The violation notification flow describes the statute or regulation that was violated and how it was violated (e. g., overweight on specific axle by xxx pounds or which brake was out of adjustment and how far out of adjustment it was). A violation differs from a citation because it is not adjudicated by the courts.
weather information Accumulated forecasted and current weather data (e.g., temperature, pressure, wind speed, wind direction, humidity, precipitation, visibility, light conditions, etc.).
widearea statistical pollution information Aggregated region-wide measured emissions data and possible pollution incident information.
work plan feedback Comments and suggested changes to proposed construction and maintenance work schedules and activities. This information influences work plan schedules so that they minimize impact to other system operations and the overall transportation system.
work zone information Summary of maintenance and construction work zone activities affecting the road network including the nature of the maintenance or construction activity, location, impact to the roadway, expected time(s) and duration of impact, anticipated delays, alternate routes, and suggested speed limits. This information may be augmented with images that provide a visual indication of current work zone status and traffic impacts.
work zone status Current work zone status including current location (and future locations for moving work zones), impact to the roadway, required lane shifts, expected time(s) and duration of impact, anticipated delays, alternate routes, and suggested speed limits.
work zone warning notification Notification of a work zone emergency or safety issue. This flow identifies that a work zone emergency or safety issue has occurred so that warnings may be generated by more than one system in the work zone.
work zone warning status Status of a work zone safety monitoring and warning devices. This flow documents system activations and includes additional supporting information (e.g., an image) that allows verification of the alarm.
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