 Texas State Highway 110 passes through the center of town, leading northwest to Tyler and south to Rusk.Texas State Highway 135 shares two blocks of Duval Street (named after John Crittenden Duval, the only survivor of the Goliad Massacre, and known as the "Father of Texas literature") with Highway 110 in the center of town; it leads northeast to Kilgore and southwest to Jacksonville.According to the United States Census Bureau, the city of Troup has a total area of , of which , or 0.44%, is water.