BRT may mean:* Baltic Rubber Trade (brandname BRT) - a producer & supplier of various rubber products "Be right there" in Internet slang. Brooklyn Rapid Transit. Break Repair Time Bus rapid transit. Brain Research Trust. Bellarine Rail Trail in Victoria, Australia Bruttoregistertonnen, German for Gross Registered Tonnage, a measure of the carrying capacity of ships. Belgische Radio- en Televisieomroep, a former name of the Vlaamse Radio- en Televisieomroep. A nickname for Black Russian… (More on Brt)