The Dow Jones Transportation Average, (DJTA, also called the "Dow Jones Transports"), index ticker symbol DJT[1] is a U.S. stock market index from S&P Dow Jones Indices of the transportation sector, and is the most widely recognized gauge of the American transportation sector. It is the oldest stock index still in use, being in use longer than its better-known relative, the Dow Jones Industrial Average (DJIA).[2]