| Type | SDO | Title | Doc ID | 
|---|
| Standard Profile | Profile | NTCIP using DATEX | NTCIP–DATEX | 
|---|
| Profile | ProtoBuf | ProtoBuf | 
| Message/Data | Consortium of AASHTO, ITE, and NEMA | Object Definitions for Signal Control and Prioritization (SCP) | NTCIP 1211 | 
|---|
| Institute of Transportation Engineers | Traffic Management Data Dictionary (TMDD) and Message Sets for External Traffic Management Center Communications (MS/ETMCC) | ITE TMDD | 
| Communications Protocol | Consortium of AASHTO, ITE, and NEMA | Point–to–Point Protocol Over RS–232 Subnetwork Profile | NTCIP 2103 | 
|---|
| Consortium of AASHTO, ITE, and NEMA | Transportation Transport Profile | NTCIP 2201 |