SH 99 Grand Parkway segment D - US 59 South to I-10 West

Segment D is an existing 17.4-mile, partially controlled access toll road from US 59 South (the Southwest Freeway) in Sugar Land north to I-10 West (the Katy Freeway) near Katy. This segment is complete and has been open to the public since Aug. 31, 1994. Mainlane overpasses from US 59 South to the Westpark Tollway were constructed by Fort Bend County and opened to traffic in April 2014. The public meeting that presents the proposed widening (from 4-lanes to 6-lanes) from FM 1093 to IH 10 in Fort Bend and Harris Counties, Texas, will occur on Oct. 24, 2017.

Fort Bend County Toll Road Authority operates and maintains Segment D from US 59 South to south of Fry Road.

TxDOT operates and maintains the portion of Segment D from south of Fry Road to I-10 West.

The map below shows Segment D of the Grand Parkway. Each square indicates the limits of the detailed map of that portion of the segment. Select a link from the list below to view a detailed map of the segment. The detailed map will open in a separate window. The maps are large files and may be slow to download. Once in the detailed maps, use the zoom button in the toolbar to view the maps at 100 percent of their original size.

The latest approved environmentalument for Segment D is the Categorical Exclusion, which was approved Nov. 17, 2009.

Below are some of the other latest-approved Segment D environmentaluments:

• Re-evaluation of the Environmental Assessment

If you have questions about Segment D or would like to request any other environmentaluments, please email the Houston District.