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The source graphic, a Windows Metafile (WMF), for the TSDs can be downloaded here:
TSD Part 1,
TSD Part 2,
The following discusses how the National ITS Architecture provides the transportation service described by this service package. Each numbered item describes the operation of that portion of the service package identified with the corresponding number on the transaction set diagram.
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On an asynchronous basis, the Commercial Vehicle Driver may send driver and vehicle information to the Commercial Vehicle Subsystem (CVO driver initialization).
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Periodically or asynchronously, the Fleet and Freight Management Subsystem may request updates from the Map Update Provider (map update request). Alternatively, via a subscription, the Map Update Provider may push updates to the Fleet and Freight Management Subsystem as changes occur. These map updates are used in determining the best routes for freight shipments.
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The Fleet and Freight Management Subsystem can monitor the cargo by requesting on-board data from the Commercial Vehicle Subsystem (on-board vehicle request). The Commercial Vehicle Subsystem will collect data from the ITS equipment contained in the Freight Equipment (freight equipment information) and forward the information to the Fleet and Freight Management Subsystem (on-board vehicle data).
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Freight information can be requested from the Commercial Vehicle Subsystem by the Vehicle Subsystem (commercial vehicle data request). This information would come from sensors indicating the composition and state of the cargo (including temperature, humidity, etc.). The Commercial Vehicle Subsystem will forward the cargo data to the Vehicle Subsystem (commercial vehicle data).
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On an asynchronous basis, the Intermodal Freight Shipper and Intermodal Freight Depot may exchange information regarding cargo movement logs, routing information, and cargo ID’s with the Fleet and Freight Management Subsystem (freight transportation status).
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Periodically or asynchronously, the Alerting and Advisory Agency systems (e.g., Trucking Information Sharing and Analysis Center or ISAC) may send alerts and advisories to the Fleet and Freight Management Subsystem.
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As a freight shipment assignment begins, the Fleet and Freight Management Subsystem prepares to monitor the security of the freight equipment: trailer, chassis, and cargo.
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The Fleet and Freight Management Subsystem sends freight monitoring parameters to the Freight Equipment to configure the frequency of status reports on cargo locks as well as other on-board sensors.
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According to the monitoring parameters, the Freight Equipment periodically sends freight equipment information to the Fleet and Freight Management Subsystem and/or to the Commercial Vehicle Subsystem. The Commercial Vehicle Subsystem relays any freight equipment information on to the Fleet and Freight Management Subsystem. The operational concept for the flow of this information depends upon the specific sensor, monitoring, and communication equipment deployed.
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Whenever a security exception arises with freight, a series of information flows occurs as follows:
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A notification of a security breach or tampering is sent from Freight Equipment to either or both the Fleet and Freight Management Subsystem and the Commercial Vehicle Subsystem as well as a Commercial Vehicle Check facility if located nearby (freight breach).
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Whenever notified of a freight breach, the Commercial Vehicle Subsystem sends alerts to the Commercial Vehicle Driver and in doing so requests a response from the driver. If the driver is aware of the triggering event, then an alert response can indicate that it is possibly a false alarm or that there is in fact a security issue to be dealt with. It is possible that either the driver is not able to respond or has elected not to respond in the event a crime is being perpetrated.
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If the Commercial Vehicle Subsystem receives a response from the driver, then the driver alert response is passed on to the Fleet and Freight Management Subsystem.
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In addition, specific information about the freight equipment security issue is sent from the Commercial Vehicle Subsystem to the Fleet and Freight Management Subsystem. This would include the time and date and the specific breach type (e.g., lock opened, door opened, etc.) (commercial vehicle breach)
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This same information (commercial vehicle breach) can also be transmitted to a Commercial Vehicle Check facility if one is located within range.
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When the Fleet and Freight Management Subsystem receives indication of the breach from the Commercial Vehicle Subsystem along with any driver response, notification (fleet and freight alerts) is passed on to the Fleet-Freight Manager. Upon receipt of the notification, the Fleet-Freight Manager decides what course of action to take and indicates this with an alert response.
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Since the cargo belongs to the shipper until it is received at its final destination, the Intermodal Freight Shipper is notified of the freight breach. The shipper can then decide what course of action to take and notifies the Fleet and Freight Management Subsystem with a breach response.
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If enough time has passed without a response from the Fleet and Freight Manager and or from the Intermodal Freight Shipper, or if the response indicates an unacceptable situation has occurred, the Fleet and Freight Management Subsystem sends an alarm to the Emergency Management Subsystem.
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A notification of security exception is also sent to the Alerting and Advisory Systems as fleet and freight threat information.
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