Tri-Rail is a commuter rail line linking Miami, Fort Lauderdale, and West Palm Beach, Florida, United States. It is managed by the South Florida Regional Transportation Authority (SFRTA) along CSX Transportation's former Miami Subdivision, the line now wholly owned by the Florida DOT. The system has 18 stations along the Southeast Florida coast, and connects directly to Amtrak at numerous stations, and to Metrorail at the Tri-Rail and Metrorail Transfer Station and at Miami Airport station.