is tx 99 a toll road?
The new 15-mile, four-lane Segment E of the Grand Parkway (also known as SH 99) provides nonstop travel between I‑10 and U.S. 290 on the west side of Houston. This all-electronic toll road linking Katy and Cypress is part of a planned 185-mile Grand Parkway outer loop circling the Houston metro region.