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Standards Support For roadway information system data |
| Type | SDO | Title | Document ID |
| Message Sets | AASHTO/ITE/NEMA | Object Definitions for Dynamic Message Signs | NTCIP 1203 |
| AASHTO/ITE/NEMA | Global Object Definitions | NTCIP 1201 | |
| Data Elements | AASHTO/ITE/NEMA | Object Definitions for Dynamic Message Signs | NTCIP 1203 |
| AASHTO/ITE/NEMA | Global Object Definitions | NTCIP 1201 | |
| Communications | AASHTO/ITE/NEMA | NTCIP Center-to-Field Standards Group | View List |