| Abbreviation | Definition |
|---|---|
| RTG | Rubber Tired Gantry |
| RTI | Ramp Travel Index |
| RTI | Road Transport Informatics |
| RTITB | Road Transport Industry Training Board |
| RTL | Route Transportation Logistics |
| RTLC | Road Transport Licensing Committee |
| RTLS | Real-Time Location System |
| RTM | Revenue Ton - Mile |
| RTM | Route To Market |
| RTMC | Regional Traffic Management Centre |
| RTMS | Rail Transportation Management Services |
| RTMS | Rail Transportation Management Specialists |
| RTO | Real-Time Observation |
| RTOA | Railroad Transportation and Operation Agreement |
| RTOR | Regional Through and Out Rate |
| RTP | Recreational Trails Program |
| RTP | Regional Transportation Plan |
| RTPA | Regional Transportation Planning Agencies |
| RTPF | Real-Time Flight Planner |
| RTPN | Rapid Transit Contract and Assistance Agreement |