December 30, 1996 – DART opened the first commuter rail line in the southwestern United States. The first segment of the Trinity Railway Express follows along a 10-mile commuter rail line linking downtown’s Union Station, the Medical/Market Center Station, and the South Irving Transit Center. More than 4,000 people rode the train during its first day of operation.
December 15, 1997 – The Trinity Railway Express commuter rail line debuts an expanded schedule featuring midday and evening service. The new schedule allows DART to offer 50 trips each weekday on the Trinity Railway Express, up from the 30 currently provided.
December 5, 1998 – The Trinity Railway Express commuter rail line adds Saturday service to its schedule.
March 12, 1999 – The Trinity Railway Express carries its one-millionth customer.
September 16, 2000 – Trinity Railway Express service extends west to four new stations at West Irving, CentrePort, Hurst/Bell and Richland Hills. Revenue service begins September 18. More than 5700 people ride the first day.
December 3, 2001 – Service extends to the Intermodal Transit Center and T & P Stations in downtown Fort Worth. This completes the rail connection between Dallas and Fort Worth.
January 14, 2002 – Trinity Railway Express Dedicates Intermodal Transportation Center accommodating TRE, the T, Amtrak Passenger Service, and retail opportunities.
September 14, 2009 – With the opening of the DART Rail Green Line’s first phase between Victory and MLK, Jr. stations, Trinity Railway Express begins regularly scheduled service to Victory Station.