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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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The Maintenance and Construction Vehicle Subsystem (MCVS) tracks its current position (position fix) and that vehicle location information is passed along to the Maintenance and Construction Management Subsystem (MCMS) (maint and constr vehicle location data).
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As part of vehicle tracking the MCMS will convert the location data received from the MCVS into some map-based representation. An interface to a Map Update Provider is available to keep this map-based representation of the transportation network current. The implied operation of this interface is for the MCMS to request a map update (map update request), and the Map Update Provider to electronically provide the update (map updates).
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The entire process is under the asynchronous monitoring (maint and constr operations information presentation) and control (maint and constr center personnel inputs) of Maintenance and Construction Center Personnel.
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