Texas State Highway 121, locally known as Texas 121, is a diagonal state highway, angling from southwest to northeast through north-central Texas from downtown Fort Worth, Texas, junction Interstate 35W to Bonham, Texas, just north of junction U.S. Highway 82.
Texas State Highway 121 is a diagonal state highway. Texas State Highway 121 is locally known as Texas 121. Texas State Highway 121 is angling from southwest to northeast through north-central Texas from downtown Fort Worth, Texas, junction Interstate 35W to Bonham, Texas, just north of junction U.S. Highway 82. Texas State Highway 121 is locally known as Texas 121.