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 Speed Map Archive arrow About the Map Archive arrow More Historical Data
Date Hour Minute AM/PM * Maps available since August 16, 2005.
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