Traffic impacts
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Traffic impacts

To provide the most accurate information about upcoming traffic impacts, the project team will provide as much notice as possible for lane closures and traffic switches. See below for a live map of traffic closures in San Antonio.

For a list of lane closures across Texas, visit TxDOT’s interative map website DriveTexas.org.

I-35 NEX Central lane closures

This page is updated weekly. To find the most up to date and current lane closures, follow the I-35 NEX Central Twitter updates or contact us for email updates at i35nexcentral@txdot.gov.

This week's lane closures (weather permitting and subject to change):

Project wide

  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Rolling closure project-wide for pothole repair.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Rolling closure project-wide for litter and debris operation.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Rolling closure project-wide for sweeping operation.

I-35

FM 1518 to Loop 1604

Southbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on southbound frontage road of I-35 from Olympia Parkway to Gateway Boulevard for temporary pavement, striping, and barrier work. 
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on southbound frontage road of I-35 from Evans Road to Olympia Parkway for striping, barrier work, and temporary pavement work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Southbound I-35 entrance ramp closure from Old Austin Road to Forum Parkway for striping and barrier work. Traffic must use the Forum Parkway turnaround and follow detour signs to access southbound I-35. 
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Multiple right lane closures (2) on southbound I-35 mainlanes from Forum Parkway to Ferrell Road for striping, barrier, and temporary pavement work.

Loop 1604 Interchange

Southbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on southbound I-35 to westbound Loop 1604 connector ramp for striping, barrier, and temporary pavement work. 
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Eastbound Loop 1604 to southbound I-35 connector ramp closure for striping and barrier work. Traffic must exit at IKEA-RBFCU Parkway and follow the detour signs to southbound I-35.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Westbound Loop 1604 to southbound I-35 connector ramp closure for earthwork. Traffic must exit at Lookout Road and follow the detour signs to southbound I-35.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Southbound I-35 to eastbound Loop 1604 connector ramp closure for striping, barrier, and earthwork. Traffic must exit at westbound 1604 and follow the detour signs to access eastbound Loop 1604.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Closure on southbound I-35 collector ramp at the Loop 1604 interchange for striping, barrier, and construction entrance work. Traffic must use Loop 1604 (exit 172) to access southbound I-35 and follow detour signs.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating ramp closures on southbound I-35 connector ramp to Pat Booker Road for striping, barrier, and bridge substructure work. Traffic must exit Loop 1604 (exit 172) and follow the detour signs to Pat Booker Road.

Loop 1604 to Toepperwein Road

Southbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Full closure on southbound frontage road of I-35 from Pat Booker Road to Toepperwein Road for structures work. Traffic should follow detour signs.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Full closure on southbound frontage road and entrance ramp of I-35 from Shin Oak Drive to Toepperwein Road for cap form erection work. Accommodations will be made for local traffic. Southbound frontage road of I-35 traffic must follow detour.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on southbound frontage road of I-35 from IKEA-RBFCU Parkway to Pat Booker Road for striping and barrier work. 
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Multiple right lane closures (2) on southbound mainlanes of I-35 from Pat Booker Road to I-35 Access Road for bridge substructure work.

Toepperwein Road to O’Connor Road

Northbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Right lane closure on westbound Judson Road, alternating lane closures on northbound frontage road, entrance ramp closure, and alternating exit ramp closures of I-35 from Judson Road to Shin Oak Drive for barrier work. Traffic should follow the detour sign to the available ramps.
Southbound
  • Through Monday, May 15 long term closure (24/7). Left lane closure on southbound I-35 frontage road between Toepperwein Road and Judson Road for retaining wall, drill shaft, column, and cap work.
  • Sunday, March 26 until Wednesday, March 29 9:00 PM to 5:00 a.m. Right lane closure on southbound frontage road of I-35 from Weidner Road to Thousand Oaks Drive for pothole work. 
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on southbound frontage road of I-35 from Judson Road to O’Connor Road for earthwork, paving, striping, and barrier work. 
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Right lane closure on southbound I-35 mainlane, exit ramp closure, and left lane closure on southbound frontage road of I-35 at O’Connor Road for tree removal work. Traffic should use next exit.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Multiple right lane closures (2) on southbound I-35 mainlanes, and entrance ramp closure from Pat Booker Road to Judson Road for structures work. Traffic should use next entrance ramp.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on southbound frontage road of I-35 from Pat Booker Road to Toepperwein Road for barrier and striping work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m to 5:00 a.m. Multiple right lane closures (2) on southbound I-35 mainlanes, entrance ramp closure, exit ramp closure, and left lane closures (2) on southbound frontage road of I-35 from Judson Road to O’Connor Road for striping, barrier, and paving work. Traffic should use next entrance and exit ramps. 
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Multiple left lane closures (3) on southbound I-35 mainlanes from Judson Road to O’Connor Road for striping work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Right lane closure on westbound and eastbound of I-35 at Toepperwein Road for barrier work.

O’Connor Road to Thousand Oaks Drive

Southbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on southbound frontage road of I-35, entrance ramp closure, and exit ramp closure from O’Connor Road to Weidner Road for earthwork, paving, striping, and barrier work. Traffic should use next entrance and exit.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Right lane closure on southbound frontage road of I-35 from O’Connor Road to Weidner Road for earthwork. 
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on southbound frontage road of I-35 from Weidner Road to Thousand Oaks Drive for earthwork and barrier work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Multiple lane closures on southbound mainlanes, alternating entrance and exit ramp closures, and alternating lane closures on southbound frontage road of I-35 from O’Connor Road to Weidner Road for striping work. Traffic should use the next exit and entrance ramp. 
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Multiple lane closures on southbound mainlanes, alternating entrance and exit ramp closures, and alternating lane closures on southbound frontage road of I-35 from Weidner Road to Thousand Oaks Drive for striping work. Traffic should use the next exit and entrance ramp.

Thousand Oaks Drive to I-410 Interchange

Northbound
  • Sunday, March 26 until Wednesday, March 29 9:00 p.m. to 5:00 a.m. Left shoulder closure on northbound frontage road of I-35 from Randolph Boulevard to Starlight Terrance for pothole work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on northbound frontage road of I-35 and northbound to southbound turnaround closure from Crestway Drive to Starlight Terrace for striping and barrier work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Multiple right mainlane closures (2) on northbound I-35 between Crestway Road and Starlight Terrace for barrier work.
Southbound
  • Sunday, March 26 until Monday, April 3 9:00 p.m. to 5:00 a.m. Left lane closures (2) on southbound frontage road of I-35 from Thousand Oaks Drive to Randolph Boulevard for temporary ramp construction and drainage work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Multiple right lane closures (2) on southbound mainlanes of I-35 and exit ramp closure to Randolph Boulevard between Thousand Oaks Drive and Walzem Road for striping and barrier work. Traffic should use prior exit ramp.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Right lane closures (2) on southbound frontage road of I-35 from Thousand Oaks Drive to Randolph Boulevard for temporary ramp construction, drainage work, and pavement work.

I-410 Interchange

Southbound
  • Sunday, March 26 until Monday, April 3 9:00 p.m. to 5:00 a.m. Alternating lane closures on southbound I-35 connector ramp to westbound I-410 for striping and barrier work.

I-410 Interchange to Walzem Road

Nothbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m to 5:00 a.m. Southbound to northbound turnaround closure at Walzem Road and alternating lane closures on northbound frontage road of I-35 from Walzem Road to Crestway Drive for striping work.
Southbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Multiple left lane closures (2) on southbound I-35 mainlanes from Thousand Oaks Drive to Walzem Road for striping and barrier work. 
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Exit ramp closure on southbound mainlane and alternating lane closures on southbound frontage road of I-35 from Randolph Boulevard to Walzem Road for geotechnical and drill shaft work. Traffic to use next exit ramp.

Loop 1604

Loop 1604 Interchange to Nacogdoches Road

Eastbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating mainlane closures on eastbound Loop 1604, entrance ramp closure, and exit ramp closure on eastbound Loop 1604 from Nacogdoches Road to I-35 for striping work. Traffic should use prior exit and next entrance.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on eastbound bypass ramp and entrance ramp closure of Loop 1604 from Nacogdoches Road to Lookout Road for striping work. Traffic should use next entrance.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Exit ramp closure on eastbound mainlanes of Loop 1604 to Lookout Road for striping work. Traffic should use prior exit.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Right lane closure on eastbound frontage road of Loop 1604, right lane entrance ramp closure, and turnaround closure from Nacogdoches Road to Union Pacific Railroad for striping work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on eastbound frontage road of Loop 1604 from IKEA-RBFCU Parkway to I-35 for barrier work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Eastbound to westbound Loop 1604 turnaround closure at Lookout Road for drill shaft work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating mainlane closures on eastbound Loop 1604 from Nacogdoches Road to I-35 for barrier work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Eastbound to westbound Loop 1604 turnaround closure from Nacogdoches Road to Union Pacific Railroad for retaining wall demolition work. Traffic must use Lookout Road turnaround.
Westbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Westbound to eastbound Loop 1604 turnaround closure from Lookout Road to Union Pacific Railroad for retaining wall demolition work. Traffic must use Nacogdoches Road turnaround.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Exit ramp closure on westbound Loop 1604 connector ramp from southbound I-35 to Lookout Road for striping. Traffic should use next exit ramp.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Right lane closure on westbound frontage road of Loop 1604 between Union Pacific Railroad and Nacogdoches Road for barrier work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on westbound frontage road of Loop 1604 from I-35 to Lookout Road for construction entrance and temporary pavement work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Right lane closure on westbound bypass ramp of Loop 1604 from Lookout Road to Nacogdoches Road for barrier work.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Exit ramp closure on westbound mainlanes of Loop 1604 to Lookout Road for pavement and striping work. Traffic should use next exit.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating mainlane closures, exit ramp closure, and entrance ramp closure on westbound Loop 1604 from Union Pacific Railroad to Nacogdoches Road for barrier work. Traffic should use prior exit and next entrance ramp.
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Westbound to eastbound Loop 1604 turnaround closure at Lookout Road for demolition work.

I-410

I-410 Interchange to Starcrest Drive

Eastbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on eastbound frontage road of I-410, entrance ramp closure, and eastbound to westbound turnaround closure between Starcrest Drive and Perrin Beitel for striping and barrier work. Traffic should use next entrance ramp.
Westbound
  • Sunday, March 26 until Sunday, March 26 9:00 p.m. to 5:00 a.m. Multiple right mainlane closures (2) and exit ramp closure on westbound I-410 between I-35 and Perrin Beitel for striping and barrier work. Traffic should use next exit.
  • Sunday, March 26 until Monday, April 3 9:00 p.m. to 5:00 a.m. Alternating lane closures on westbound frontage road of I-410 from Perrin Creek to Perrin Beitel for striping and barrier work.

Starcrest Drive to Nacogdoches Road

Eastbound
  • Sunday, March 26 until Saturday, April 1 9:00 p.m. to 5:00 a.m. Alternating lane closures on eastbound frontage road of I-410, entrance ramp closure, and exit ramp closure from Harry Wurzbach Road to Starcrest Drive for striping and barrier work. Traffic should use prior entrance and exit.
  • Sunday, March 26 until Monday, April 3 9:00 p.m. to 5:00 a.m. Multiple right lane closures (3) on eastbound I-410 mainlanes from Nacogdoches Road to Harry Wurzbach Road for striping and barrier work.
  • Sunday, March 26 until Monday, April 3 9:00 p.m. to 5:00 a.m. Multiple left lane closures (2) on eastbound I-410 mainlanes from Nacogdoches Road to Harry Wurzbach Road for striping and barrier work.
  • Sunday, March 26 until Monday, April 3 9:00 p.m. to 5:00 a.m. Multiple right lane closures (2) on eastbound frontage road of I-410 from Nacogdoches Road to Harry Wurzbach Road for striping and barrier work. 

Upcoming long-term closures

I-35

  • Thursday, March 30 through Sunday, May 28 long-term closure (24/7). Exit ramp closure of southbound I-35 to Randolph Boulevard. Traffic to use temporary ramp.
  • Thursday, March 30 through Thursday, December 14 long-term closure (24/7). Alternating lane closures on southbound I-35 frontage road between Thousand Oaks Drive and Whirlwind Drive for roadway reconstruction and structural work.

Loop 1604

  • Wednesday, March 29 through Monday, April 24 long-term closure (24/7). Westbound to eastbound Loop 1604 turnaround closure at Lookout Road for demolition work.