CVRIA Acronyms
 RA: Registration Authority
 RASDS: Reference Architecture for Space Data Systems
 RCVW: Railroad Crossing Violation Warning
 RESCUME: Response, Emergency, Staging, and Communications, Uniform Management, and Evacuation
 RESP-STG: Incident Scene Pre-Arrival Staging Guidance for Emergency Responders
 RF: Radio Frequency
 RFID: Radio Frequency Identification
 RFQ: Request for Quotation
 RITA: Research and Innovative Technology Administration
 RLVW: Red Light Violation Warning
 RLW: Restricted Lane Warnings
 RM-ODP: Reference Model of Open Distributed Processing
 RPE: Roadway Payment Equipment
 RS: Roadside
 RSE: Roadside Equipment
 RSU: Roadside Unit
 RSZW: Reduced Speed Zone Warning
 RTCM: Radio Technical Commission for Maritime Services
 RV: Remote Vehicle
 RVI: Route ID for the Visually Impaired
 RWIS: Road Weather Information System
 RWMP: Road Weather Management Program