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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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Asset Management provides asset restrictions to the Maintenance and Construction Management Subsystem (MCMS). The restrictions may include standard height, width, and weight restrictions by facility and special restrictions such as spring weight restrictions and temporary bridge weight restrictions. These current asset restrictions are provided to the following center subsystems:
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Commercial Vehicle Administration
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Emergency Management
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Information Service Provider
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Traffic Management
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Transit Management
Some of the possible uses of this information by the receiving subsystems are: route selection and CVO clearances for too large or oversized vehicle limits.
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One of the key functions of the MCMS is to plan maintenance and construction activity. These maint and constr work plans are then disseminated to the following center subsystems and other key terminators:
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Emergency Management
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Information Service Provider
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Media
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Multimodal Transportation Service Provider
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Rail Operations
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Traffic Management
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Transit Management
It is expected that the following entities will provide work plan feedback to the MCMS:
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Emergency Management
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Rail Operations
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Traffic Management
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Transit Management
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In addition to providing feedback on the MCMS work plans, Rail Operations provides its own railroad schedules to the MCMS to inform it of planned maintenance activities of the rail network that may impact the road maintenance activities. Also, an MCMS must coordinate its work plans with maintenance organizations in adjoining geographic areas (Other MCM). This work plan coordination includes sharing work plans and providing feedback to work plans received.
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As a part of coordination activities, the MCMS makes requests of the Maintenance and Construction Administrative Systems (maint and constr administrative request), which would respond with information such as equipment and consumables, re-supply purchase request status, personnel qualifications including training and special certifications, environmental regulations and rules that may impact maintenance activities, and requests and project requirements from contract administration (maint and constr administrative information).
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To support the sequences described above, the Maintenance and Construction Center Personnel provides inputs on work plan scheduling and provides feedback to other schedules received (maint and constr center personnel inputs). They can also receive the work plans of Rail Operations or other maintenance and construction management centers (Other MCM) and can receive the feedback on work plans they have disseminated to other entities (maint and constr operations information presentation).
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