RTA

RTA may refer to:

Media

• Radio and Television Arts, program at Ryerson University, Toronto, Canada
• Radio Television Afghanistan
  • RTA TV, an Afghan channel
• Radiodiffusion Télévision Algérienne
• Real time attack, a game speedrun

Science and technology

• Rapid thermal anneal, in semiconductor fabrication
• Real-time analyzer of audio spectrum
• Renal tubular acidosis, a medical condition
• Restricted to Adults
• Retrospective Think Aloud
• RTA clade of araneomorph spiders
  • Retrolateral tibial apophysis, defining the RTA clade
• Rewriting Techniques and Applications, an annual computer-science conference

Transit

• Railway Tie Association
• Road traffic accident

United States

• Regional Transportation Authority (Illinois), Chicago
• Regional Transportation Authority (Tennessee), Nashville
• Regional Transportation Agency of Central Maryland
• Regional Transit Authority of Southeast Michigan, Metro Detroit
• Central Puget Sound Regional Transit Authority
• New Orleans Regional Transit Authority
• South Florida Regional Transportation Authority

California

• Riverside Transit Agency, California
• San Luis Obispo Regional Transit Authority, California, US

Ohio

• Greater Cleveland Regional Transit Authority, Ohio
• Greater Dayton Regional Transit Authority, Ohio

Australia

• Former Roads & Traffic Authority, New South Wales, Australia

United Arab Emirates

• Roads and Transport Authority (Dubai)

Other uses

• Ṛta, a Hindu religious concept
• RTA (Niger), a village
• Ready-to-assemble furniture
• Regional trade agreement
• Residential Tenancies Authority, Queensland, Australia
• Rio Tinto Aluminium
• Royal Thai Army
• Race Team Alliance
• RTA (album), by Rudra