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™.

I-35 NEX Central lane closures for July 14 - 20

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):

I-35

FM 3009 to FM 1518

Northbound
  • Sunday, July 14, until Wednesday, July 17, 9 p.m. to 5 a.m. Multiple lane closures (2) on northbound frontage road of I-35 from Schertz Parkway to Roy Richard Drive (FM 3009) for barrier and demolition work.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Multiple lane closures (3) on northbound mainlanes and entrance ramp closure of I-35 from Roy Richard Drive (FM 3009) to Evans Road for striping, barrier, and temporary pavement work.
  • Sunday, July 14, until Wednesday, July 17, 9 p.m. to 5 a.m. Multiple lane closures (2) on northbound frontage road of I-35 from Schertz Parkway to Roy Richard Drive (FM 3009) for roadway work.
Southbound
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Multiple lane closures (3) on southbound mainlanes, entrance ramp closure, and exit ramp closure of I-35 from Roy Richard Drive (FM 3009) to Schertz Parkway for bridge structure work. Traffic should use next entrance and exit ramps.

FM 1518 to Loop 1604

Northbound
  • Through Saturday, August 2, 2025, long-term closure (24/7). Left lane closure on northbound frontage road of I-35 from Forum Parkway to Forum Access Road for construction work.
  • Through Sunday, October 6, long-term closure (24/7). Right lane closure on northbound mainlanes of I-35 at Forum Parkway for construction work.
  • Through Sunday, October 6, long-term closure (24/7). Right lane closure on northbound exit ramp and left lane closure on northbound frontage road from Forum Access Road to Olympia Parkway for construction work.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on northbound frontage road of I-35 from Forum Parkway to Forum Access Road for barrier and bridge structure work. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Multiple lane closures (3) on northbound mainlanes and exit ramp closure of I-35 from Forum Parkway to Evans Road for structure work. Traffic should use next exit ramp.
  • Thursday, July 18, until Friday, July 19, 8 a.m. to 4 p.m. Left lane closure on the northbound frontage road of I-35 from Olympia Parkway to Evans Road for drainage work.
Southbound
  • Through Friday, August 2, long-term closure (24/7). Left lane closure on southbound frontage road of I-35 from Forum Parkway to Old Austin Road for bridge and roadway work.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on southbound frontage road from Arcadia Drive to Olympia Parkway, entrance ramp closure at Old Austin, full closure on westbound I-35 collector ramp and northbound I-35 to westbound Loop 1604 connector ramp, full closure on southbound I-35 to westbound Loop 1604 connector ramp, full closure on eastbound frontage road from entrance ramp to IKEA-RBFCU Parkway and full closure of northbound and southbound lanes of IKEA-RBFCU Parkway at Loop 1604 for deck, overhangs, column work.
  • Sunday, July 14, until Wednesday, July 17, 9 p.m. to 5 a.m. Full closure on southbound frontage road of I-35 from Forum Parkway to Gateway Boulevard for striping, barrier, temporary pavement, and demolition work.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Multiple lane closures (3) on southbound mainlanes of I-35 from Forum Parkway to Ferrell Road for bridge structure work.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Multiple lane closures (3) on southbound mainlanes of I-35 from Schertz Parkway to Forum Parkway for bridge structure work.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on southbound I-35 on ramp from Old Austin Road to Forum Parkway for substructure work. Traffic should follow detour signs. 
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure of southbound frontage road from IKEA-RBFCU Parkway to Pat Booker Road, eastbound Loop 1604 to southbound I-35 connector ramp closure, and southbound I-35 collector ramp closure at the Loop 1604 interchange for substructure work. Traffic should follow detour signs.
  • Sunday, July 14, until Friday, July 19, 9 p.m. to 5 a.m. Full closure of eastbound and westbound lanes and full closure of northbound to southbound turnaround of Evans Road at I-35 for bridge structure work. Traffic should follow detour signs.
  • Sunday, July 14, until Friday, July 19, 9 p.m. to 5 a.m. Full closure on southbound frontage road, exit ramp closure of I-35 from Evans Road to Arcadia; full closure on northbound to southbound turnaround at Evans Road; and full closure on the westbound lanes on Evans Road for bridge work. Traffic should follow detour signs.
  • Sunday, July 14, until Friday, July 19, 9 p.m. to 5 a.m. Full closure on southbound frontage road of I-35 from Corporate Drive to Evans Road and full closure of eastbound and westbound lanes of Evans Road for bridge structure work. Traffic should follow detour signs.
  • Monday, July 15, until Thursday, July 18, 9 a.m. to 3 p.m. Northbound to southbound turnaround closure at Evans Road for substructure work.
  • Monday, July 15, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on southbound frontage road of I-35 from Retama Parkway to Olympia Parkway for bridge structure work. Traffic should follow detour signs.
  • Monday, July 15, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on southbound frontage road of I-35 from Old Austin Road to Forum Parkway for temporary pavement, striping, and barrier work. Traffic should follow detour signs.
  • Monday, July 15, until Thursday, July 18, 9 p.m. to 5 a.m. Multiple lane closures (3) on southbound I-35 mainlanes from Forum Parkway to Ferrell Road for bridge structure work.

Loop 1604 Interchange

Northbound
  • Monday, July 15, until Wednesday, July 17, 9 p.m. to 5 a.m. Full closure on westbound I-35 collector ramp at the Loop 1604 interchange and full closure on northbound I-35 to westbound Loop 1604 connector ramp for bridge structure work. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on westbound I-35 collector ramp at the Loop 1604 interchange, full closure on northbound I-35 to westbound Loop 1604 connector ramp, full closure on southbound I-35 to westbound Loop 1604 connector ramp, and full closure of northbound and southbound lanes of IKEA-RBFCU Parkway at Loop 1604 for bridge structure work. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure northbound I-35 collector ramp at the Loop 1604 interchange for striping, barrier, and construction entrance work. Traffic should follow detour signs.
Southbound
  • Sunday, July 14, until Tuesday, July 16, 9 p.m. to 5 a.m. Full closure on southbound I-35 collector ramp at the Loop 1604 interchange for striping and barrier work. Traffic should follow detour signs.
  • Sunday, July 14, until Wednesday, July 17, 9 p.m. to 5 a.m. Full closure on eastbound Loop 1604 to southbound I-35 connector ramp for substructure work. Traffic must exit at IKEA-RBFCU Parkway and follow the detour signs to southbound I-35.
  • Monday, July 15, until Thursday, July 18, 9 p.m. to 5 a.m. Full closure on eastbound Loop 1604 collector ramp at I-35 interchange and full closure on southbound I-35 to eastbound Loop 1604 connector ramp for barrier work. Traffic should follow detour signs.

Loop 1604 to Toepperwein Road

Northbound
  • Through Monday, February 3, 2025, long-term closure (24/7). Full closure on I-35 northbound collector exit ramp and left lane closure on I-35 northbound frontage road from Pat Booker Road to Loop 1604 for bridge work. Traffic should follow detour signs.
  • Through Monday, February 3, 2025, long-term closure (24/7). Entrance ramp closure from Shin Oak Drive to Pat Booker Road for bridge work. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Multiple mainlane closures (3) on northbound I-35, multiple lane closures (2) northbound I-35 frontage road and exit ramp closures from Toepperwein Road to Pat Booker Road for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Friday, July 19, 9 p.m. to 5 a.m. Full closure of northbound frontage road, exit ramp closure, and entrance ramp closure of I-35 from Pat Booker to Loop 1604 interchange for bridge structure work. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Alternating lane closures on northbound frontage road of I-35 from Sandpiper Drive to Pat Booker Road for bridge structure work.
  • Sunday, July 14, until Friday, July 19, 9 p.m. to 5 a.m. Multiple lane closures (3) on northbound mainlanes, exit ramp closure, and entrance ramp closure of I-35 from I-35 Access Road bridge near Shin Oak Drive to Forum Parkway for striping, barrier, and temporary pavement work. Traffic should use next exit and entrance ramps.
  • Monday, July 15, until Wednesday, July 17, 9 p.m. to 5 a.m. Multiple lane closures (3) on northbound I-35 mainlanes from I-35 Access Road near Shin Oak Drive to Forum Parkway for bridge work.
  • Monday, July 15, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure of eastbound and westbound lanes of Pat Booker Road at I-35 and exit ramp closure of northbound I-35 from Toepperwein Road to Pat Booker Road for bridge beam setting. Traffic should follow detour signs.
  • Monday, July 15, 9 p.m. to 5 a.m. Full closure of eastbound and westbound lanes of I-35 Access Road bridge near Shin Oak Drive at I-35 for beam setting. Traffic should follow detour signs.
Southbound
  • Through Sunday September 8, long-term closure (24/7). Left lane closure on southbound frontage road of I-35 from McMorris Boulevard to Pat Booker Road for construction.
  • Sunday, July 14, until Tuesday, July 16, 9 p.m. to 5 a.m. Full closure on southbound frontage road and entrance ramp of I-35 from Shin Oak Drive to Toepperwein Road for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Wednesday, July 17, 9 p.m. to 5 a.m. Multiple lane closures (3) on southbound I-35 mainlanes, multiple lane closures (2) on southbound I-35 frontage road, entrance ramp closure, and exit ramp closure from Pat Booker Road to Toepperwein Road for bridge deck work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Friday, July 19, 9 p.m. to 5 a.m. Full closure on southbound I-35 exit ramp to Pat Booker Road for striping and barrier work. Traffic should follow detour signs.

Toepperwein Road to O’Connor Road

Northbound
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on northbound frontage road and exit ramp of I-35 from Judson Road to Toepperwein Road for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on northbound frontage road and entrance ramp on I-35 from O’Connor Road to Bludau-Bishop Rd for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Wednesday, July 17, 9 p.m. to 5 a.m. Multiple lane closures (3) on northbound I-35 mainlanes, multiple lane closures (2) on northbound I-35 frontage road, exit ramp and entrance ramp closure from O’Connor Road to Judson Road for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Multiple lane closures (3) on northbound mainlanes, multiple lane closures (2) on northbound I-35 frontage road and exit ramp closures from Judson Road to Toepperwein Road for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, 9 p.m. to 5 a.m. Full closure of eastbound and westbound lanes of Toepperwein Road at I-35 for bridge deck work. Accommodations will be made for local traffic. Traffic should follow detour signs.
Southbound
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on southbound frontage road and exit ramp of I-35 from Toepperwein Road to Judson Road for deck work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on southbound frontage road and entrance ramp closure from Judson Road to Crownpoint Drive for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Multiple lane closures (3) on southbound I-35 mainlanes, multiple lane closures (2) on southbound I-35 frontage road, entrance ramp closure, and exit ramp closure from Toepperwein Road to Judson Road for bridge deck work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Monday, July 15, until Saturday, July 20, 9 p.m. to 5 a.m. Multiple lane closures (3) on southbound I-35 mainlanes, multiple lane closures (2) on southbound I-35 frontage road, entrance ramp closure, and exit ramp closure from Judson Road to O’Connor Road for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.

O’Connor Road to Thousand Oaks Drive

Northbound
  • Through Friday, July 12, long-term closure (24/7). Left lane closure on northbound frontage road of I-35 from Starlight Terrace to Weidner Road for construction work.
  • Through Sunday, August 11, long-term closure (24/7). Left lane closure on northbound frontage road of I-35 from Weidner Road to O'Connor Road for construction work.
  • Sunday, July 14, until Tuesday, July 16, 9 p.m. to 5 a.m. Full closure on northbound frontage road, southbound to northbound turnaround closure, northbound to southbound turnaround closure, entrance ramp closure, and exit ramp closure of I-35 from Starlight Terrace to Weidner Road for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Wednesday, July 17, until Friday, July 19, 9 p.m. to 5 a.m. Multiple lane closures (3) on northbound I-35 mainlanes, alternating lane closures (2) on northbound I-35 frontage road and exit ramp closure from Thousand Oaks Drive to Weidner Road for drainage and drilled shafts work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Wednesday, July 17, 9 p.m. to 5 a.m. Multiple lane closure (3) on northbound I-35 mainlanes, multiple lane closures (2) on northbound I-35 frontage road, right lane closure on eastbound O’Connor Road, entrance ramp closure, and exit ramp closure from Weidner Road to O’Connor Road for drainage and drilled shafts work. Accommodations will be made for local traffic. Traffic should follow detour signs.
Southbound
  • Through Friday, September 20, long-term closure (24/7). Right lane closure on southbound frontage road of I-35 from Weidner Road to Thousand Oaks Drive for bridge work.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on southbound frontage road of I-35 from O’Connor Road to Tech Com Drive for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on southbound frontage road and exit ramp of I-35 from Tech Com Drive to Weidner Road for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Multiple lane closures (3) on southbound I-35 mainlanes, alternating lane closures (2) on southbound I-35 frontage road, entrance ramp closure, and exit ramp closure from O’Connor Road to Weidner Road for drilled shaft, column, and cap work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Sunday, July 14, until Tuesday, July 16, 9 p.m. to 5 a.m. Multiple lane closures (3) on southbound I-35 mainlanes, multiple lane closures (2) on southbound I-35 frontage road, entrance ramp closure, and exit ramp closure from Weidner Road to Thousand Oaks Drive for drainage and drilled shaft work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Monday, July 15, until Friday, July 19, 9 p.m. to 5 a.m. Full closure on southbound I-35 frontage road, entrance ramp closure, and exit ramp closure from Weidner Road to Thousand Oaks Drive for road widening work. Traffic should follow detour signs.

Thousand Oaks Drive to I-410 North Interchange

Northbound
  • No closures at this time.
Southbound
  • Through Saturday, August 31, 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.
  • Monday, July 15, until Friday, July 19, 9 p.m. to 5 a.m. Full closure on southbound I-35 frontage road and northbound to southbound turnaround closure from Thousand Oaks Drive to Whirlwind Drive for drilled shaft work. Accommodations will be made for local traffic. Traffic should follow detour signs.
  • Monday, July 15, until Friday, July 19, 9 p.m. to 5 a.m. Full closure on southbound I-35 frontage road, exit ramp closure, and northbound to southbound turnaround closure from Thousand Oaks Drive to Randolph Boulevard for column cap work. Traffic should follow detour signs.

I-410 North Interchange

Northbound
  • No closures at this time.
Southbound
  • No closures at this time.

I-410 Interchange to Walzem Road

Northbound
  • Sunday, July 14, until Friday, July 19, 9 p.m. to 5 a.m. Southbound to northbound turnaround closure at Walzem Road and I-35, alternating lane closures on northbound frontage road, and alternating entrance and exit ramp closures of I-35 from Walzem Road to Crestway Drive for drilled shaft work. Traffic should follow detour signs.
Southbound
  • Through Friday, July 12, long-term closure (24/7). Left lane closure on southbound frontage road of I-35 from Randolph Boulevard to Fratt Road for construction work.
  • Monday, July 15, until Thursday, July 18, 9 p.m. to 5 a.m. Full closure on Fratt Road from Austin Highway (Loop 368) to southbound I-35 frontage road, alternating lane closures on southbound Interchange Parkway from Austin Highway (Loop 368) to Fratt Road, and full closure on Interchange Parkway from Fratt Road and Walzem Road for utility work. Traffic should follow detour signs.
  • Monday, July 15, until Friday, July 19, 8 p.m. to 5 a.m. Full closure on southbound frontage road, exit ramp, and entrance ramp on southbound of I-35 from Randolph Boulevard to Walzem Road for drilled shaft and column work. Traffic should follow detour signs.
  • Monday, July 15, until Friday, July 19, 8 p.m. to 5 a.m. Full closure on southbound frontage road, exit ramp, and entrance ramp of I-35 from Randolph Boulevard to Walzem Road for drilled shaft and column work. Traffic should follow detour signs.

Loop 1604

Loop 1604 Interchange to Nacogdoches Road

Eastbound
  • Monday, July 15, until Thursday, July 18, 8 p.m. to 6 a.m. Full closure on eastbound Loop 1604 connector ramps to I-35, full closure on eastbound frontage road of Loop 1604, and entrance ramp closure of Loop 1604 from Lookout Road to IKEA-RBFCU Parkway for setting precast girders. Traffic should follow detour signs.
  • Monday, July 15, until Thursday, July 18, 9 p.m. to 5 a.m. Full closure on eastbound Loop 1604 connector ramps to I-35 and entrance ramp closure of Loop 1604 from Lookout Road to IKEA-RBFCU Parkway for bridge work. Traffic should follow detour signs.
Westbound
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Alternating lane closures on eastbound mainlanes of Loop 1604 from Pat Booker Road to Nacogdoches Road for deck and barrier work.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Alternating lane closures on westbound mainlanes of Loop 1604 from Pat Booker Road to Nacogdoches Road for deck and barrier work.
  • Sunday, July 14, until Saturday, July 20, 9 p.m. to 5 a.m. Full closure on westbound frontage road of Loop 1604 from Gateway Boulevard to Gateway Place for bridge deck work. Traffic should follow detour signs.

I-410 North

Austin Highway (Loop 368)
Northbound
  • No closures at this time.
Southbound
  • No closures at this time.

I-410 Interchange to Starcrest Drive

Eastbound
  • Sunday, July 14, until Friday, July 19, 9 p.m. to 5 a.m. Alternating lane closures on eastbound frontage road of I-410, entrance ramp closure, and right mainlane closure of I-410 from Perrin Beitel to Austin Highway (Loop 368) for column and cap work. Traffic should follow detour signs.
  • Tuesday, July 16, until Friday, July 19, 9 p.m. to 5 a.m. Alternating lane closure (2) on eastbound frontage road of I-410, Perrin Beitel bypass exit ramp closure, and entrance ramp closure of I-410 from Harry Wurzbach Road to Perrin Beitel for striping and barrier work. Traffic should follow detour signs.
Westbound
  • Through Saturday, August 31, long-term closure (24/7). Left lane closure on westbound frontage road of I-410 from Perrin Creek to Austin Highway (Loop 368) for construction.
  • Sunday, July 14, until Friday, July 19, 9 p.m. to 5 a.m. Full closure on westbound frontage road of I-410 from Perrin Creek to Perrin Beitel, exit ramp closure, and connector ramp from Loop 368 northbound to I-410 westbound frontage road for bridge deck work. Traffic should follow detour signs.
  • Monday, July 15, until Wednesday, July 17, 9 p.m. to 5 a.m. Multiple lane closures (2) on westbound mainlanes of I-410 from I-35 to Starcrest Drive for pavement work.

Starcrest Drive to Nacogdoches Road

Eastbound
  • No closures at this time.

Other lane closures

  • For your information, there are other lane closures underway within the I-35 NEX project this week, but they are not expected to affect traffic or create notable delays.