SH 99 Grand Parkway
Segments H, I-1 & I-2
Miles of New Highway
First Segment (D) of
The vision for mobility using a “highway loop” around Houston dates back to the early 1960s.
More than 50 years later, this vision is becoming a reality with the design and construction of the remaining segments of SH 99 Grand Parkway, Segments H, I-1 & I-2. At 180+ miles, this circumferential scenic highway will be the longest highway loop in the United States, traversing seven counties and encircling the Greater Houston region, which is the fourth-most populous city in the United States.
In March 2017, the Texas Department of Transportation awarded the $855 million design-build construction contract for Segments H, I-1 & I-2 to Grand Parkway Infrastructure, a joint venture led by global infrastructure leader Ferrovial Agroman, along with Webber LLC and Granite Construction Inc.
Construction along the corridor, stretching from the US 59/IH 69 interchange to the north and SH 146 in Baytown to the south, commenced in 2018. Construction activities are currently underway, including bridge construction, roadway paving, right-of-way acquisition with property owners, and utility relocations.
Segments H, I-1 & I-2 represent 52.8 miles of the 184 mile SH 99/Grand Parkway loop
Acquisition of easements through 375+ land parcels
80 new or substantially reconstructed bridges will be built
The first segment – Segment D – of SH 99/Grand Parkway opened in August 1994; the most recent segment – Segment G – opened in March 2016
click image to enlarge
As construction continues, we will post information about upcoming traffic impacts, including lane, ramp, and bridge closures. Please note that all traffic impacts are subject to change.
U-turn closed at SH 99 westbound at Business 146 eastbound
The eastbound and westbound SH 99 U-turns closed at FM 1405
U-turn closed at SH 99 eastbound between FM 1405 and Fisher Road
Wismer Drive (between Business 146 eastbound and westbound) closed
January 6 (7AM - 9AM)
US 90 westbound left lane closed near CR 491
January 6 (9AM - 5PM)
US 90 eastbound left lane closed near CR 491
January 7 - 9 (9AM - 5PM)
US 90 eastbound and westbound right lane closed near CR 491
January 6 - 9 (7AM - 5PM)
Flagging operation on CR 602
January 6 - 9 (7AM-5PM)
Flagging operation on CR 603
January 6 - 9 (7AM - 5PM)
Flagging operation on FM 1960
January 6 - 9 (9AM - 2PM)
Flagging operation on FM 686
CR 610 closed at FM 1960
No traffic updates
Please note that there is an upcoming traffic switch on FM 1485 near Stephens Forest Road. More information will be released when a date has been solidified.
The eastbound and westbound SH 99 U-turns closed at Valley Ranch Parkway
For any inquiries, questions or concerns, please call 877-553-7374, email or fill out the form below.
Grand Parkway Infrastructure Office
8811 F.M. 1960 Bypass Road West
Humble, TX 77338
Hours of Operation: 8:00AM - 6:00PM (Monday thru Friday)