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.

1996 – 10-mile system opens December 30, 1996
1997 – 175,969
1998 – 455,515
1999 – 587,519
2000 – 688,486 (service extended to Tarrant County, September 2000)
2001 – 1.32 million (service extended to Fort Worth, completing TRE system, December 2001)
2002 – 2.13 million
2003 – 2.29 million
2004 – 2.16 million
2005 – 2.15 million
2006 – 2.4 million
2007 – 2.5 million
2008 – 2.7 million
2009 – 2.7 million
2010 – 2.5 million
2011 – 2.4 million
2012 – 2.3 million
2013 – 2.1 million
2014 – 2.3 million
2015 – 2.2 million
2016 – 2.1 million
2017 – 2.1 million
2018 – 2.0 million
2019 – 2.0 million
2020 – 1.3 million
2021 – 795,300
2022 – 1.1 million