After leaving West End station, the line turns north, running parallel to Interstate 35 past the American Airlines Center.

[1][2] Trinity Mills Station, near the northern terminus, provides a connection with the A-train line run by the Denton County Transportation Authority (DCTA).

The commuter train may stop in other Denton County cities, should they choose to join the DCTA.

[5] When the Southeast Corridor was originally proposed, two options were considered for the final segment past Lake June Transit Center.

[6] The Green Line began operation on September 14, 2009, with a route from downtown Dallas southeast to Fair Park; this short route was scheduled to open in time to service the 2009 State Fair of Texas.