TRA
TRA stands for:
- Taiwan Railway Administration , Railway Administration of the Republic of China (Taiwan)
- Taiwan Relations Act , enacted by the US Congress
- Technical rules for elevators
- Technology related anxiety; see technophobia
- Temporary Reserved Airspace , see restricted flight area
- Theory of Reasoned Action , see theory of reasoned action
- Thermally regenerative exhaust gas cleaning , an exhaust gas cleaning process
- Audio frequency ripple control systems, see ripple control technology # Analysis options
- Transavia Airlines , Dutch airline (ICAO code)
- Tripoli Rocketry Association an association for high-powered missiles
TrA stands for:
- Triangulum Australe , the southern triangle constellation in the fixed star nomenclature
- Troop office , see Army Office
tra stands for:
- Tirahi (ISO-639-3 code), Dardish language
