| Level | Doc # | Standard | Description | 
|---|
| Facilities | SAE J2735 | SAE J2735 DSRC Message Set | This standard defines the data and messages for use in DSRC (i.e., V2V, V2I, and V2D) applications. The SAE J2945 series defines additional requirements on how to use these messages. | 
| Facilities | SAE J2945 | SAE J2945/0 DSRC Common Design Elements | This standard defines cross-cutting material which applies to the J2945/x series including generic DSRC interface requirements and guidance on Systems Engineering (SE) content. | 
| ITS Application Entity | SAE J2735 | SAE J2735 DSRC Message Set | This standard defines the data and messages for use in DSRC (i.e., V2V, V2I, and V2D) applications. The SAE J2945 series defines additional requirements on how to use these messages. | 
| ITS Application Entity | SAE J2945/1 | SAE J2945/1 V2V Basic Safety | This standard specifies the system requirements for an on-board vehicle-to-vehicle (V2V) safety communications system for light vehicles, including standards profiles, functional requirements, and performance requirements. | 
| ITS Application Entity | SAE J2945/2 | SAE J2945/2 V2V Safety Awareness | This standard specifies the system requirements for V2V Safety Awareness applications, including the emergency vehicle alert (EVA), roadside alert (RSA), safety awareness - object (SAW-O), and safety awareness - adverse condition (SAW-A) applications. |