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Scroll down to view the service package description, list of elements, responsible agencies (stakeholders), candidate functional areas and requirements, and flows on this diagram.


Service Package Description

This service package collects current road and weather conditions using data collected from environmental sensors deployed on and about the roadway (or guideway in the case of transit related rail systems). In addition to fixed sensor stations at the roadside, sensing of the roadway environment can also occur from sensor systems located on Maintenance and Construction Vehicles. The collected environmental data is used by the Weather Information Processing and Distribution service package to process the information and make decisions on operations. The collected environmental data may be aggregated, combined with data attributes and sent to meteorological systems for data qualification and further data consolidation. The service package may also request and receive qualified data sets from meteorological systems.

List of Elements on this Diagram
Click on Element Name to go to Element Detail Page.

Element Name Stakeholder
National Weather Service NOAA
Flood Control District of Maricopa County Weather Sensors Flood Control District of Maricopa County
Flood Control District of Maricopa County ALERT Flood Control District of Maricopa County
ADOT TOC Arizona Department of Transportation


List of Stakeholder Elements and Roles on this Diagram
Click on Element Name to go to Page with Element Details.
Click on Functional Area/Role to go to Page with Candidate Functional Requirements.

Stakeholder Element Name Functional Area/Role Functional Area Description
Arizona Department of Transportation ADOT TOC TMC Environmental Monitoring This equipment package assimilates current and forecast road conditions and surface weather information using a combination of weather service provider information, information collected by other centers such as the Maintenance and Construction Management Subsystem, and data collected from environmental sensors deployed on and about the roadway. The collected environmental information is monitored and presented to the operator. This information can be used to issue general traveler advisories and support location specific warnings to drivers. Other equipment packages process the collected information and provide decision support.
Flood Control District of Maricopa County Flood Control District of Maricopa County ALERT MCM Environmental Information Collection This equipment package collects current road and weather conditions using data collected from environmental sensors deployed on and about the roadway. In addition to fixed sensor stations at the roadside, this equipment package also collects environmental information from sensor systems located on Maintenance and Construction Vehicles as well as the broader population of vehicle probes. It also collects current and forecast environmental conditions information that is made available by other systems. The equipment package aggregates the sensor system data and provides it, along with data attributes to meteorological systems.
Flood Control District of Maricopa County Flood Control District of Maricopa County Weather Sensors Roadway Environmental Monitoring This equipment package measures environmental conditions and communicates the collected information back to a center where it can be monitored and analyzed. A broad array of general weather and road surface information may be collected. Weather conditions that may be measured include temperature, wind, humidity, precipitation, and visibility. Surface and sub-surface sensors can measure road surface temperature, moisture, icing, salinity, and other measures.


List of Flows on this Diagram
Click on Architecture Flow to go to Page with Applicable ITS Standards.

Source Element Architecture Flow Destination Element
ADOT TOC environmental conditions data National Weather Service
Flood Control District of Maricopa County ALERT environmental conditions data National Weather Service
Flood Control District of Maricopa County Weather Sensors environmental sensor data ADOT TOC
Flood Control District of Maricopa County Weather Sensors environmental sensor data Flood Control District of Maricopa County ALERT
National Weather Service environmental conditions data status Flood Control District of Maricopa County ALERT
Flood Control District of Maricopa County ALERT environmental sensors control Flood Control District of Maricopa County Weather Sensors

Last updated: 06-24-13