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    Southbound I-79 to Westbound I-376 Overnight Ramp Closures Start Tonight in Allegheny County

    May 12, 2025

    Pittsburgh, PA – PennDOT District 11 is announcing overnight ramp closures at the on I-376 (Parkway West)/I-79 interchange in Collier and Robinson townships, Allegheny County, will continue tonight, Monday night, May 12 weather permitting.

    Beginning Monday night, the ramp that carries traffic from southbound I-79 to westbound I-376 (Parkway West) will close to traffic weeknights from 9 p.m. to 5 a.m. through Friday night, May 23. Crews will conduct bridge barrier repairs, joint cleaning and sealing, and bridge deck and approach slab crack sealing work. 

    Ramp traffic will be detoured.

    Posted Detour

    • Continue south on I-79
    • Take the Carnegie (Exit 57) exit
    • Turn left onto West Main Street
    • Turn right onto the ramp to I-79 north toward Erie
    • From northbound I-79, take the ramp to 376 West toward the Airport (Exit 59B)
    • End detour

    The ramp work is part of the $12.6 million project on the Parkway West located between the Ridge Road (Exit 61) and I-79 (Exit 64A) interchanges in Robinson and Collier townships. Additionally, milling and paving on I-376, ramp preservation work, overhead sign structure repairs, drainage improvements, guide rail updates, and sign and pavement marking installation work will occur in 2025. Restrictions include the long-term closure of Boyce Road, ramp closures, overnight single-lane restrictions, and four weekend-long single-lane closures. The majority of the project is anticipated to be completed in late 2025, however, punch list work is expected to continue through January of 2026.

    Motorists can check conditions on major roadways 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 1,000 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.

    Subscribe to PennDOT news and traffic alerts in Allegheny, Beaver, Lawrence counties at www.penndot.pa.gov/District11.   

    Information about infrastructure in District 11, including completed work and significant projects, is available at www.penndot.pa.gov/D11Results. Find PennDOT’s planned and active construction projects at www.projects.penndot.gov. 

    Find PennDOT news on X, Facebook and Instagram.

    MEDIA CONTACT: Steve Cowan, 412-429-5010

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