At more than a half-mile long and 30 feet wide, a Lone Star Kartpark is expected to open in spring 2020 adjacent to the Texas Motor Speedway at 3545 Lone Star Circle, Fort Worth. The complex will feature 30 Centurion model go-karts that reach speeds of 50 MPH or more and include safety features, such as roll bars, four-point seat belts, hydraulic disk brakes and a full-impact absorption system. 940-437-0026.