SH-99 Grand Parkway from US-290 to I-45 is now open. No tolls on this segment of SH-99 until Februrary 15.
The Greater Houston Transportation and Emergency Management Center City of Houston Harris County METRO Texas Department of Transportation
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Houston TranStar Speed Charts

Yearly Comparison   |  Daily Comparison

View a speed chart by selecting criteria from the menus below. Learn more about the Speed Charts here.

Roadway Segment
Timeframe: (Daily averages are summaries of the last 3 months)