| ADD | Adapter Device Driver |
|---|---|
| AED | Analog Event Driver |
| ERN | skr. pre European Rivers Network (sieť európskych riek) |
| RAC | Riverside Arts Council |
| RAL | Riverside Municipal Airport (kód IATA) |
| RIS | River Information Services, dopravný informačný systém pre riečnu dopravu v EÚ |
| RIV | river, rieka (skr.) |
| RTA | Riverside Transit Agency |
| RTT | River Trade Terminal |
| SRJ | slave River Journal (skr.) |