The Green Line is a light rail line on the Utah Transit Authority's (UTA) TRAX system in Salt Lake City, Utah, in the United States, operated by the Utah Transit Authority (UTA). It opened on August 7, 2011, and runs between Airport Station at the Salt Lake City International Airport and West Valley Central Station in West Valley City (via Downtown Salt Lake City) serving a total of eighteen stations: thirteen in Salt Lake City, one in South Salt Lake, and four in West Valley City.