IH-45 Traffic Conditions

Communication from UTMB Health

  • May 10-13: Northbound lane closures on I-45 scheduled in Galveston County

    Motorists traveling northbound on I-45 in Galveston County this weekend may expect delays and detours, as a traffic lane switch will close two travel lanes. 

    According to the Texas Department of Transportation, construction crews will close two northbound lanes of the highway from Delany Rd/Century Blvd to FM-517 in La Marque/Texas City/Dickinson. The closure is scheduled from Friday, May 10, at 9 p.m. until 5 a.m. Monday morning, May 13. 

    The weekend's work could affect access to urgent care at UTMB's Primary and Specialty Care Clinic in Texas City.  Expect delays, find alternate routes when possible, and check current conditions online before you head to your destination, at https://www.utmb.edu/public-alert/i-45-traffic or on your preferred traffic app. 

    All work is weather permitting and schedules are subject to change. Check Houston TranStar for the latest construction updates  at https://traffic.houstontranstar.org/construction/

    • Thursday, 4/25: I-45 closure due to accident

      UPDATED 2 p.m.: TxDOT reports that all lanes in the region are once again open. As construction is ongoing along the I-45 corridor in Galveston County, please exercise caution and observe posted speed limits.   


      An early morning accident on I-45 southbound, near LaMarque, has shut down I-45 in both directions at FM 519/Main.  Motorists traveling on I-45 in Galveston County should consider an alternate route: Hwy 146, Hwy 3 or Hwy 6. Check current conditions online before you head to your destination, at https://www.utmb.edu/public-alert/i-45-traffic or on your preferred traffic app. 

      Expect delays, check the Houston Transtar highway cameras,  and find an alternate route when possible.

      If you are a UTMB patient with an appointment this morning and affected by the highway closure, please contact your clinic for instructions. 

      If you are a UTMB employee whose morning commute is affected by the accident, please contact your manager. 

      Photo from, Transtar of I45 traffic backup at 8:02 am on Thursday, 4/25/24
      • Two southbound lanes and ramps closed on I-45 this weekend

        Motorists traveling southbound on I-45 in Galveston County this weekend may expect delays and detours. The Texas Department of Transportation will be closing two main traffic lanes from FM 1764 to FM 519 (La Marque area) to realign the highway.  There will also be intermittent ramp closures in the construction zone during the work. 

        Two southbound lanes of the highway from FM 1764 to FM 519 will be closed beginning Friday night (April 5) at 9 pm, until 7 am Sunday morning. One lane will remain open. 

        After this closure, motorists will be redirected to new pavement and bridges east of the current roadway. This will allow the construction of new southbound lanes and bridges, as well as the new Delaney road intersection.  

        The weekend's work could slow access to the island for motorists from the north,  and affect urgent care at UTMB's Primary and Specialty Care Clinic in Texas City.  Expect delays, find alternate routes when possible, and check current conditions online before you head to your destination, at https://www.utmb.edu/public-alert/i-45-traffic or on your preferred traffic app. 

        All work is weather permitting and schedules are subject to change. Check Houston Transtar for the latest construction updates  at https://traffic.houstontranstar.org/construction/

        • Northbound lane and ramp closures on I-45 scheduled this weekend in La Marque

          Motorists traveling northbound on I-45 in Galveston County this weekend may expect delays and detours, as work in La Marque will close two northbound travel lanes. 

          According to the Texas Department of Transportation, construction crews will close two northbound lanes of the highway from FM-519/Main St. to FM-1764/Emmett F. Lowry Expressway. The closure is scheduled for Friday, Mar. 1, at 9 p.m. until 5 a.m. Monday morning, Mar. 4. The lanes will be closed continuously. 

          The northbound exit ramp to FM-1765/Texas Ave. and northbound entrance ramp from Delany Rd/Century Blvd. in La Marque will also be closed until 5 a.m. Monday morning.  

          The weekend's work could affect access to urgent care at UTMB's Primary and Specialty Care Clinic in Texas City.  Expect delays, find alternate routes when possible, and check current conditions online before you head to your destination, at https://www.utmb.edu/public-alert/i-45-traffic or on your preferred traffic app. 

          All work is weather permitting and schedules are subject to change. Check Houston Transtar for the latest construction updates  at https://traffic.houstontranstar.org/construction/

          Closure for Mar. 1 on I-45 in Galveston County
          • Northbound lane closures scheduled on I-45 this weekend at Delaney Rd. in La Marque

            Motorists traveling northbound on I-45 in Galveston  this weekend may expect delays and detours, as work in La Marque will close the frontage road and two northbound main lanes beginning Friday night, Feb. 16. 

            According to the Texas Department of Transportation, construction crews will close two northbound lanes of the highway and the adjacent frontage road at Delany Rd. in La Marque beginning on Friday, Feb. 16, at 9 p.m. to construct the new at-grade Delany Rd. intersection and I-45 bridge. The lanes will remain closed until 5 a.m. Monday morning, Feb. 19. Construction on the overall project will take at least seven months.

            The weekend's work could affect access to urgent care at UTMB's Primary and Specialty Care Clinic in Texas City.  Expect delays, find alternate routes when possible, and check current conditions online before you head to your destination, at https://www.utmb.edu/public-alert/i-45-traffic or on your preferred traffic app. 

            All work is weather permitting and schedules are subject to change. Check Houston Transtar for the latest construction updates  at https://traffic.houstontranstar.org/construction/

            Map from TxDOT of planned highway closure and detour for 2/26/2024