Transportation Abbreviations and Acronyms
- RAPRear Area Protection (car crumple zone)
- RAPRelative Accident Probability
- RAPCORadar Approach Control
- RAPCONRadar Approach Control
- RAPIDRural Agency Project Implementation District
- RAPIDReforming Accelerating and Protecting Interstate Design
- RAPPIRandom Access Plan Position Indicator
- RAPRRefer To Acceptor
- RAPTRoute Availability Planning Tool
- RAQSRegional Air Quality Strategy
- RAQSRegistry, Appraisal and Qualification System
- RAQSRegistry, Appraisal and Quality System
- RAQSRegistry, Appraisal and Quality System (Ontario)
- RARRoad Accident Rescue
- RASRegional Arterial Systec
- RASRootes Armstrong Sindely
- RASRootes Armstrong Siddely
- RASCALRotorcraft Aircrew Systems Concepts Airborne Laboratory
- RASKRoadmaster Active Suspension Kit
- RBResearch Board
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