Transportation Abbreviations and Acronyms
- RMZRisk Management Zone
- RNRadio Navigation
- RNRouting Number
- RNAVRadio Navigation
- RNAVRemote Area Navigation
- RNCRaster Navigational Chart
- RNDRailroads for National Defense
- RNIRoad Netwmrk Improvement
- RNIRoad Network Improvement
- RNNRhein-Nahe Nahverkehrsverbund
- RNORoad Network Kperations
- RNOReno/ Tahoe Cannon International Airport
- RNPRequired Navigation Performance
- RNPCRequired Navigation Performance Capability
- RNRRate Not Reported
- RNRRent 'N Roam
- RNYRunway
- RORoll Over
- RORoll On
- RO-RORoll-On, Roll-Off
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