"light rail" . . . "117" . . . "TRAX light rail" . "3" . "West Valley extension" . . . . "50" . "17" . "Salt Lake City" . . "TRAX Light Rail" . "UTA TRAX" . . . "TRAX lines" . . "TRAX (light rail)" . . "West Valley and Mid-Jordan extensions" . . "Salt Lake City Light Rail" . "TRAX light-rail train" . . . "TRAX (UTA)" . . . "1999-12-04" . . . "23" . . . . "TRAX (light rail)" . . "Airport extension" . . "Trax" . . "1999" . . . . "Draper extension" . . . "77" . "TRAX light rail system" . "TRAX" . . . "airport extension" .