RTA
RTA is most often seen in government and public‑service contexts, referring to road‑related incidents or agencies that manage roads and transport, as well as to regional trade or transit agreements.
Medical
Regional Transit Authority
Renal Tubule Acidosis
Replication and Transcription Activator
Retinal Thickness Analysis
Reverse Transcriptase Assay
Rehabilitation Through The Arts
Miscellaneous
Religious and Theological Abstracts
Railroad Tie Association
Reliability Test Assembly
Research Training Award
Remediation Target Areas
Real Time Attack
Road To Awe
Remember this always
Road Traffic Act
Real Time Augmentation
Rebuildable Tank Atomizer
Community
Real Time Author
Residential Tenancies Authority
Restricted To Adults
Railway Tie Association
Rochester Teachers Association
Governmental
Rapid Transit Administration
Regional Transit Administration
Ready To Assemble
Road To Avonlea
Roads and Traffic Authority
Road Traffic Accident
Regional Transportation Authority
Returned To Australia
Repatriated To Australia
Real-Time Accumulator
Refusal To Accept
Residual Threat Assessment
Roads & Transport Authority
Rapid Transit Authority
International
Academic & Science
Rapid Thermal Anneal
Radially Tapered Antenna
Ready To Apply
Rubidium Titanyl Arsenate
Root The Area
Reactivity Test Assembly
Real-Time Analysis
Radar Terrain Analysis
Riberalta, Bolivia, seismograph station
Regional
Computing
Business
Referring Travel Agent
Request for Technical Action
Resident Technical Assistant
Resident Twinning Advisor
Regional Tourism Administration
Radix Teachers Association
Rear Trailing Arm
Regional Trade Agreement
Riverside Transit Agency