| IRU | International Road Transport Union (skr.), Medzinárodná cestná unia (angl.skr.) |
|---|---|
| RTA | Roads & Transport Authority |
| RTO | Road Transport Office (skr.) |
| RTTT | road transport and traffic telematic (skr.) |
| RTTT | Road Transport and Traffic Telematic, telematika v cestnej doprave a preprave (angl.skr.) |