Medical/Market Center Station is a Trinity Railway Express commuter rail station located along the Stemmons Corridor (Interstate 35E) of north Dallas, Texas at Motor Street and Medical Center Drive, northwest of downtown Dallas. It opened on December 30, 1996 and is a station on the TRE commuter line, serving Dallas Market Center and the nearby medical district which includes Parkland Memorial Hospital, Children's Medical Center of Dallas, University of Texas Southwestern Medical Center, St.