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1.5.5: Detect Vehicle Emissions Levels

This process shall obtain emissions data about individual vehicles and analyze it against reference data obtained from another process within the Manage Emissions facility of the Manage Traffic function. The process shall use this reference data to determine whether or not a vehicle is possibly violating the acceptable levels of emissions output. When the process determines that a possible violation has occurred, it shall send the detected emissions levels and the vehicle identity to the process responsible for law enforcement in the Manage Emergency Services function for action. This process shall provide a test results message to other processes within the roadway to generate outputs to the driver. This process may also send results directly to the in-vehicle units that can store and process the results for display to the drivers also. The process shall accept inputs to control the emissions sensors and return operational status (state of the sensor device, configuration, and fault data) to the controlling process.

This process is associated with the ITS Roadway Equipment physical object.

This process is associated with the following application objects:

• Roadway Emissions Monitoring
• Roadway Traffic Information Dissemination

This process is associated with the following data flows:

• emissions_zone_message_from_roadway - Out
• individual_vehicle_emissions_for_display - Out
• individual_vehicle_emissions_for_signage - Out
• vehicle_emissions_alert - Out
• vehicle_emissions_message - Out
• vehicle_emissions_sensor_control - In
• vehicle_emissions_sensor_data - Out
• vehicle_emissions_sensor_status - Out