Rail Transport Abbreviations and Acronyms
- RPCNBRailroad Passenger Car Numbering Bureau
- RPCXRailroad Passenger Car Numbering Bureau
- RPIRetail Price Index
- RPIRevenue Protection Officer
- RPIRevenue Protection Inspector
- RPLRail Property Limited
- RPMRoute Performance Manager
- RPPSRail Passenger Partnership Scheme
- RPRCRichmond Pacific Railroad Corporation
- RPRXRail Power Technologies
- RRRailroad
- RRRiverport Railroad
- RRRussian Railways
- RRRailroad Reporting
- RRRaritan River
- RRRegional Railways
- RRCRespondek Railroad Corporation
- RRCIRedmont Railway Company Incorporated
- RRIRoute Relay Interlocking
- RRIPRoute Relay Interlocking Processor
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