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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.  It combines standards associated with US: TMDD with those for C-C: OMG DDS. The US: TMDD standards include upper-layer standards required to implement centre-to-centre communications with traffic management systems.  The C-C: OMG DDS standards include lower-layer standards that support secure data sharing between publishers and subscribers over a traditional Internet link
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       Triple Solution Gap 
      
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       ITS Info 
      ITE TMDD Vol 2  
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       Click gap icons for more info. 
      
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       Mgmt 
      OMG DDS  
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       Facility 
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      OMG DDS  
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       Security 
       
      OMG DDS-Security  
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       TransNet 
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       SubNet 
      Internet Subnet Alternatives  
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