| 
       Triple 
        Transportation Information Center to Wide Area Information Disseminator: broadcast traveler information
      Flow Description 
        General traveler information that contains traffic and road conditions, link travel times, incidents, advisories, restrictions, transit service information, weather information, parking information, and other related traveler information.
       | 
  
| 
       Solutions 
                Solution Description 
        This solution is used within the U.S..  It combines standards associated with TMC with those for I-I: Internet (US). The TMC standards include upper-layer standards required to support multi-modal information services to the vehicle..  The I-I: Internet (US) standards include lower-layer standards that support secure communications between ITS equipment using X.509 or IEEE 1609.2 security certificates.
       | 
  
| 
       Triple Solution Gap 
      
       | 
  
| 
       ITS Info 
      ISO 14819-3  
    ![]() ISO 14819-2 ![]()  | 
    
       Click gap icons for more info. 
      
     | 
  ||
| 
       Mgmt 
       | 
    
       Facility 
      ISO 14819-1  
    ![]()  | 
    
       Security 
      ![]()  
       | 
 |
| 
       TransNet 
       | 
  |||
| 
       SubNet 
      Internet Subnet Alternatives  
    ![]()  | 
  |||
 
 
 
