Restricted to adults, in censorship

the retrolateral tibial apophysis of spiders

Road traffic accident, see Road traffic collision

Greater Cleveland Regional Transit Authority, United States

Regional Transportation Authority (Illinois), serving Chicago, United States

Riverside Transit Agency in Riverside County, California, United States

Central Puget Sound Regional Transit Authority, United States

Roads and Traffic Authority in New South Wales, Australia

RTA or Rta, is a three letter acronym that could refer to:

Rapid type analysis, see Static analysis

Greater Dayton Regional Transit Authority, United States

Regional Transportation Authority (Tennessee), serving Nashville, United States

New Orleans Regional Transit Authority, United States

Real Time Analyzer for audio applications, such as analyzing sound.

Rio Tinto Aluminium

Renal tubular acidosis

Regional trade agreement

Roads and Transport Authority, serving Dubai, UAE

Rewriting Techniques and Applications, the main international conference on rewriting, currently held annually.

Rapid thermal annealing, a heat treatment method used in materials science and microelectronics