texas 99

State Highway 99 ( SH 99 ), also known as the Grand Parkway, is a ring road in the U. dewa 99 S state of Texas Its first section opened on August 31, 1994 When the route is completed, it will be the longest beltway in the U S , the world's seventh-longest ring road, and the third (outer) loop of the Houston–The Woodlands–Sugar Land metropolitan