ITS Standards Support for rail crossing blockage notification
| Type | SDO | Title | Doc ID |
|---|---|---|---|
| Message/Data | Institute of Electrical and Electronic Engineers | Standard for the Interface Between the Rail Subsystem and the Highway Subsystem at a Highway Rail Intersection | IEEE 1570–2002 |
| Communications Protocol | Consortium of AASHTO, ITE, and NEMA | Octet Encoding Rules (OER) Base Protocol | NTCIP 1102 |