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    Southbound Interstate 79 Structure Painting Continues in Collier Township

    Allegheny County-owned Thoms Run Road overnight closures to occur.

    July 28, 2026

    Pittsburgh, PA – The Pennsylvania Department of Transportation (PennDOT) is announcing painting activities on the southbound I-79 structure over Thoms Run Road in Collier Township, Allegheny County will continue Wednesday night, July 29 weather permitting.

    To accommodate painting activities on the structure carrying southbound I-79 over Thoms Run Road, Thoms Run Road will close to traffic from 7:00 PM to 5:00 AM Wednesday night. Traffic will be detoured.

    All traffic will be detoured via Washington Pike (Route 50) and Prestley Road (Route 3031).

    If inclement weather occurs, the closure will occur overnight from 7:00 PM to 5:00 AM on Thursday, July 30.

    Please stay alert and drive cautiously – safety is everyone’s responsibility.

    Travelers can check conditions on major roads by visiting www.511PA.com. 511PA, which is free and available 24 hours a day, provides traffic delay warnings, weather forecasts, traffic speed information and access to more than 1,200 traffic cameras. 511PA is also available through a smartphone application for iPhone and Android devices, by calling 5-1-1, or by following regional X alerts.

    Find PennDOT’s planned and active construction projects at www.pa.gov/DOTprojects. Subscribe to PennDOT news and find transportation results in Allegheny, Beaver, and Lawrence counties at www.pa.gov/DOTdistrict11.

    Find PennDOT news on X, Facebook, Instagram and LinkedIn. 

    MEDIA CONTACT: Nicole Haney, nhaney@pa.gov or 412-429-5011

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