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    Paving on Route 422 Between I-79 Interchange and Lake Arthur Bridge

    June 11, 2026

    Indiana, PA – The Pennsylvania Department of Transportation (PennDOT) District 10 is announcing paving on Route 422 in Slippery rock and Muddy Creek townships, Butler County.

    June 22 through August 21, there will be lane restrictions on Route 422 east and west from the I-79 Interchange to just west of Lake Arthur Bridge.  The left lane will be closed for drainage work and paving.

    Drivers should use caution in work zones.

    Contractor, Lindy Paving Inc. of New Galilee, PA will be completing this $5.6 million project with an anticipated completion date in October 2026.

    Drivers can check conditions on more than 40,000 roadway miles 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 free smartphone application for iPhone and Android devices, by calling 5-1-1, or by following local alerts on X.

    Subscribe to PennDOT news in in Armstrong, Butler, Clarion, Indiana, and Jefferson counties at www.penndot.pa.gov/District10.

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

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    MEDIA CONTACT: Tina Gibbs at 724-357-2829 or chgibbs@pa.gov