STAR Transit is a transit agency in Texas serving the cities of Mesquite, Balch Springs, Seagoville, Hutchins, and DeSoto, plus the entirety of Rockwall County and Kaufman County. From its inception in 1988, it was previously known as Kaufman Area Rural Transit (KART) and operated only as a rural transit district before adopting its current name in 2011.

Mesquite is a city in the U.S. state of Texas, located in Dallas County with portions extending into Kaufman County. In 2020, its population was 150,108 making it the 21st-most populous city in Texas. Mesquite is positioned at the crossroads of four major highways, making locations such as downtown Dallas, Lake Ray Hubbard, Dallas Love Field, and DFW International Airport accessible.