San Antonio To Experience Overnight I-35 Road Closures

Night view of I-35 with construction signs indicating road closures

San Antonio, December 16, 2025

San Antonio residents should brace for overnight road closures along Interstate 35, beginning tonight. The Texas Department of Transportation (TxDOT) has initiated these closures as part of the I-35 Northeast Expansion Program aimed at improving road safety and traffic flow. Motorists are advised to plan alternative routes to avoid delays and stay updated with TxDOT for precise closure details.

San Antonio: Upcoming I-35 Road Closures and Traffic Updates

San Antonio, Texas – The Texas Department of Transportation (TxDOT) has announced a series of road closures and traffic adjustments along Interstate 35 (I-35) in San Antonio, effective starting tonight, December 16, 2025. These measures are part of ongoing construction efforts aimed at enhancing the I-35 Northeast Expansion Program.

Details of the Closures

Beginning tonight, multiple lanes on I-35 will be closed to facilitate construction activities. The closures are scheduled to occur during overnight hours to minimize disruption to daily commuters. Specific details regarding the exact locations and durations of these closures have been provided by TxDOT. Motorists are advised to plan their routes accordingly and stay informed about the latest traffic updates.

Impact on Local Traffic

These closures are expected to cause significant traffic delays during the affected hours. Drivers are encouraged to seek alternative routes or adjust their travel times to avoid the construction zones. TxDOT has recommended using the northbound frontage road as a detour during the closure periods. Additionally, access to surrounding businesses will remain open, and law enforcement will assist in directing traffic as needed.

Background on the I-35 Expansion Project

The I-35 Northeast Expansion Program is a comprehensive project initiated by TxDOT to improve traffic flow, safety, and infrastructure along the I-35 corridor in San Antonio. The project includes widening lanes, upgrading interchanges, and enhancing overall road conditions to accommodate increasing traffic volumes and support regional growth. Construction began earlier this year and is slated to be completed by 2033. Motorists are encouraged to stay updated on the project’s progress and any future traffic impacts through official TxDOT communications.

Recommendations for Commuters

  • Stay Informed: Regularly check TxDOT’s official website and social media channels for the latest updates on road closures and traffic conditions.
  • Plan Ahead: Consider alternative routes or adjust your travel schedule to avoid peak construction times.
  • Exercise Caution: Adhere to posted speed limits and follow all traffic signs and signals in construction zones to ensure safety.
  • Use Detours: Utilize the recommended detour routes provided by TxDOT to navigate around closed sections of I-35.

Contact Information

For more information or specific inquiries regarding the I-35 road closures and the Northeast Expansion Program, please contact TxDOT’s San Antonio District Office:

Staying informed and planning your travel accordingly will help minimize disruptions during this construction period.

Frequently Asked Questions (FAQ)

What are the upcoming I-35 road closures in San Antonio?

The Texas Department of Transportation (TxDOT) has announced a series of road closures and traffic adjustments along Interstate 35 (I-35) in San Antonio, effective starting tonight, December 16, 2025. These measures are part of ongoing construction efforts aimed at enhancing the I-35 Northeast Expansion Program.

When will the I-35 road closures take place?

Beginning tonight, December 16, 2025, multiple lanes on I-35 will be closed during overnight hours to facilitate construction activities. Specific details regarding the exact locations and durations of these closures have been provided by TxDOT. Motorists are advised to plan their routes accordingly and stay informed about the latest traffic updates.

How will these closures affect local traffic?

These closures are expected to cause significant traffic delays during the affected hours. Drivers are encouraged to seek alternative routes or adjust their travel times to avoid the construction zones. TxDOT has recommended using the northbound frontage road as a detour during the closure periods. Additionally, access to surrounding businesses will remain open, and law enforcement will assist in directing traffic as needed.

What is the I-35 Northeast Expansion Program?

The I-35 Northeast Expansion Program is a comprehensive project initiated by TxDOT to improve traffic flow, safety, and infrastructure along the I-35 corridor in San Antonio. The project includes widening lanes, upgrading interchanges, and enhancing overall road conditions to accommodate increasing traffic volumes and support regional growth. Construction began earlier this year and is slated to be completed by 2033. Motorists are encouraged to stay updated on the project’s progress and any future traffic impacts through official TxDOT communications.

How can I stay informed about the road closures?

Regularly check TxDOT’s official website and social media channels for the latest updates on road closures and traffic conditions. Additionally, consider subscribing to local news outlets and traffic alert services for real-time information.

Who can I contact for more information?

For more information or specific inquiries regarding the I-35 road closures and the Northeast Expansion Program, please contact TxDOT’s San Antonio District Office:

FAQ Schema in JSON-LD Format

{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "What are the upcoming I-35 road closures in San Antonio?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "The Texas Department of Transportation (TxDOT) has announced a series of road closures and traffic adjustments along Interstate 35 (I-35) in San Antonio, effective starting tonight, December 16, 2025. These measures are part of ongoing construction efforts aimed at enhancing the I-35 Northeast Expansion Program."
      }
    },
    {
      "@type": "Question",
      "name": "When will the I-35 road closures take place?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Beginning tonight, December 16, 2025, multiple lanes on I-35 will be closed during overnight hours to facilitate construction activities. Specific details regarding the exact locations and durations of these closures have been provided by TxDOT. Motorists are advised to plan their routes accordingly and stay informed about the latest traffic updates."
      }
    },
    {
      "@type": "Question",
      "name": "How will these closures affect local traffic?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "These closures are expected to cause significant traffic delays during the affected hours. Drivers are encouraged to seek alternative routes or adjust their travel times to avoid the construction zones. TxDOT has recommended using the northbound frontage road as a detour during the closure periods. Additionally, access to surrounding businesses will remain open, and law enforcement will assist in directing traffic as needed."
      }
    },
    {
      "@type": "Question",
      "name": "What is the I-35 Northeast Expansion Program?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "The I-35 Northeast Expansion Program is a comprehensive project initiated by TxDOT to improve traffic flow, safety, and infrastructure along the I-35 corridor in San Antonio. The project includes widening lanes, upgrading interchanges, and enhancing overall road conditions to accommodate increasing traffic volumes and support regional growth. Construction began earlier this year and is slated to be completed by 2033. Motorists are encouraged to stay updated on the project's progress and any future traffic impacts through official TxDOT communications."
      }
    },
    {
      "@type": "Question",
      "name": "How can I stay informed about the road closures?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Regularly check TxDOT's official website and social media channels for the latest updates on road closures and traffic conditions. Additionally, consider subscribing to local news outlets and traffic alert services for real-time information."
      }
    },
    {
      "@type": "Question",
      "name": "Who can I contact for more information?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "For more information or specific inquiries regarding the I-35 road closures and the Northeast Expansion Program, please contact TxDOT's San Antonio District Office:nnPhone: (210) 615-1110nEmail: [email protected]: www.txdot.gov"
      }
    }
  ]
}

Key Features of the I-35 Road Closures

Feature Description
Closure Start Date December 16, 2025
Closure Hours Overnight hours; specific times provided by TxDOT
Affected Area Multiple lanes on I-35 in San Antonio
Detour Route Northbound frontage road
Project Name I-35 Northeast Expansion Program
Completion Date 2033
Contact Information Phone: (210) 615-1110; Email: [email protected]

Deeper Dive: News & Info About This Topic

HERE Resources

Dense Fog Disrupts San Antonio Highways
Arctic Cold Front Set to Chill San Antonio This Weekend
Paris Baguette Bakery Café Opens in San Antonio
Four Luxury Hotels Set to Transform the I-35 Corridor
New Braunfels Approves Walmart Distribution Center Expansion
Loop 1604 North Expansion Project to Reduce Commute Times
San Antonio’s Winter Events: Celebrate December and January
San Antonio Woman Hospitalized After Hit-and-Run Incident
Austin’s Light Rail Project Secures Federal Support
Dave’s Hot Chicken Delays New Braunfels Opening

STAFF HERE SAN ANTONIO WRITER
Author: STAFF HERE SAN ANTONIO WRITER

The SAN ANTONIO STAFF WRITER represents the experienced team at HERESanAntonio.com, your go-to source for actionable local news and information in San Antonio, Bexar County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Fiesta San Antonio, San Antonio Stock Show & Rodeo, and Dia de los Muertos. Our coverage extends to key organizations like the Greater San Antonio Chamber of Commerce and United Way of San Antonio and Bexar County, plus leading businesses in retail, insurance, and energy that power the local economy such as H-E-B, USAA, and Valero Energy. As part of the broader HERE network, including HEREAustinTX.com, HERECollegeStation.com, HEREDallas.com, and HEREHouston.com, we provide comprehensive, credible insights into Texas's dynamic landscape.

ADD MORE INFORMATION OR CONTRIBUTE TO OUR ARTICLE CLICK HERE!
Advertising Opportunity:

Stay Connected

More Updates

Would You Like To Add Your Business?

Sign Up Now and get your local business listed!