a total length of 26 miles (41.8 km). HCTRA would have maintain its segment north of Clear Creek at the Brazoria County Line. Shortly before construction began in November 2016, TxDOT's Toll Operations Division took control of the project from HCTRA. See also Texas State Highway 99 References External links Harris County Toll Road Authority - About HCTRA Harris County Toll Road Authority Houston Freeways - About the Grand Parkway Toll road authorities of the United States Transportation in Harris County, Texas Transportation in Houston Toll roads in Texas z