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SH 99/Grand Parkway Project: Segments H & I

TxDOT is developing the SH 99 Grand Parkway Project: Segment H & I in Chambers, Harris, Liberty and Montgomery counties. The project will increase capacity by providing:

  • A new two-lane controlled access facility from US 59 North to I-10 East - approximately 37.5 miles
  • Four additional toll lanes from FM 1405 to SH 146 - approximately 6.1 miles
  • Upgrade tolling equipment to existing facility from I-10 East to FM 1405

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