The Metroplex is huge, and with it comes a large transit network, complete with the longest light rail system in the US, plus streetcars and commuter rail.
The longest Light Rail system in the United States stretches out in all directions, including to DFW Airport.
Modern Streetcar line links Dallas Union Station with the Bishop Arts District
Historic streetcars connect Dallas Downtown and Uptown via McKinney Ave.
Commuter rail system linking Dallas and Forth Worth.
This line connects with the DART Light Rail system up to Denton.
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This line connects Fort Worth with DFW, I have not been to it yet.
The Airport maintains this automated system to link all the terminals at DFW.
This people mover connects various office buildings in Las Colinas
And DART buses round out the region