TxDOT Announces Latest Big 6 Construction Updates July 10-15, 2026

Big 6 Construction graphic
Big 6 Construction graphic

The Texas Department of Transportation (TxDOT) has announced the latest in detours and closures associated with the “Big 6” Construction project.

FRIDAY, JULY 10
Southbound mainlanes between Harvey Road and Texas Avenue – Full Closure – 8:30 p.m. – 6:30 a.m.
All southbound traffic must exit through the Southwest Parkway exit ramp and may re-enter the mainlanes at the Texas Avenue/Deacon Drive traffic signal. Additionally, the ramps north of Harvey Road, Southwest Parkway and Harvey Mitchell Parkway will be closed. Please note that ramp closures will begin at 7:30 p.m.

SUNDAY, JULY 12
Northbound mainlanes between Barron Road and Harvey Road – Full Closure – 7:30 p.m. – 6:30 a.m.
All northbound traffic must exit at Rock Prairie Road and may re-enter the mainlanes south of Harvey Road. Entrance ramps south of Barron Road, Harvey Mitchell Parkway, and Southwest Parkway will also be closed. Drivers traveling to Texas Avenue should use Harvey Mitchell Parkway/Southwest Parkway and turn left onto Texas Avenue. When the mainlanes reopen, northbound traffic will be shifted from the existing mainlanes onto the newly constructed temporary widening pavement. Drivers should be alert for the new traffic pattern and follow all posted signs.

MONDAY, JULY 13
Northbound mainlanes between Barron Road and Harvey Road – Full Closure – 7:30 p.m. – 6:30 a.m.
All northbound traffic must exit at Rock Prairie Road and may re-enter the mainlanes south of Harvey Road. Entrance ramps south of Barron Road, Harvey Mitchell Parkway, and Southwest Parkway will also be closed. Drivers traveling to Texas Avenue should use Harvey Mitchell Parkway/Southwest Parkway and turn left onto Texas Avenue. When the mainlanes reopen, northbound traffic will be shifted from the existing mainlanes onto the newly constructed temporary widening pavement. Drivers should be alert for the new traffic pattern and follow all posted signs.

TUESDAY, JULY 14
Southbound mainlanes between Harvey Road and Texas Avenue – Full Closure – 7:30 p.m. – 6:30 a.m.
All southbound traffic must exit through the Southwest Parkway exit ramp and may re-enter the mainlanes at the Texas Avenue/Deacon Drive traffic signal. Additionally, the ramps north of Harvey Road, Southwest Parkway and Harvey Mitchell Parkway will be closed. When the mainlanes reopen, northbound traffic will be shifted from the existing mainlanes onto the newly constructed temporary widening pavement. Drivers should be alert for the new traffic pattern and follow all posted signs.

WEDNESDAY, JULY 15
Southbound mainlanes between Harvey Road and Texas Avenue – Full Closure – 7:30 p.m. – 6:30 a.m.
All southbound traffic must exit through the Southwest Parkway exit ramp and may re-enter the mainlanes at the Texas Avenue/Deacon Drive traffic signal. Additionally, the ramps north of Harvey Road, Southwest Parkway and Harvey Mitchell Parkway will be closed. When the mainlanes reopen, northbound traffic will be shifted from the existing mainlanes onto the newly constructed temporary widening pavement. Drivers should be alert for the new traffic pattern and follow all posted signs.

TxDOT encourages drivers to watch for changing traffic patterns, be sure to follow signs, and to always use caution.

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