The Good-Latimer Expressway is a street in central Dallas, Texas (USA). It begins in south Dallas as an exit off U.S. Highway 175 at US 175's western terminus at Interstate 45. The street runs in a north-northwest direction through south Dallas, the Cedars, the Farmers Market District of downtown, and finally through Deep Ellum. It becomes Routh Street as it passes out of Deep Ellum underneath Interstate 345 (the US 75/I-45 connection). It was part of U.S.