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 performed by a human without the use of external tools

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

Transportation

• 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

• RTA Rapid Transit, the rail system operated by the above body

• Greater Dayton Regional Transit Authority, Ohio

Australia

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

United Arab Emirates

• Roads & Transport Authority (Dubai)

• Roads & Transport Authority (Sharjah)

Other uses

• Ṛta or rita, a Hindu religious concept

• RTA (Niger), a village

• Ready-to-assemble furniture

• Regional trade agreement

• Rehabilitation Through the Arts

• Residential Tenancies Authority, Queensland, Australia

• Rio Tinto Aluminium

Royal Thai Army

• RTA 5 (Thailand); the Thai state-run television owned by Royal Thai Army

• Race Team Alliance

• RTA (album), by Rudra

See also

• Rita (disambiguation)