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       Triple 
        Maint and Constr Management Center to Map Update System: current infrastructure restrictions
      Flow Description 
        Restrictions levied on transportation asset usage based on infrastructure design, surveys, tests, or analyses.  This includes standard facility design height, width, and weight restrictions, special restrictions such as spring weight restrictions, and temporary facility restrictions that are imposed during maintenance and construction.
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       Solution Description 
        This solution is used within the U.S., E.U., and Australia.  It combines standards associated with (None-Data) with those for I-I: Internet (X.509). The (None-Data) standards include an unspecified set of standards at the upper layers.  The I-I: Internet (X.509) standards include lower-layer standards that support secure communications between ITS equipment using mainstream Internet security standards (X.509).
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       Triple Solution Gap 
      
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       ITS Info 
       
      Development needed  
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       Click gap icons for more info. 
      
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       Mgmt 
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       Facility 
      Development needed  
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       Security 
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       TransNet 
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       SubNet 
      Internet Subnet Alternatives  
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