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    Interstate 70 Lane Restrictions Begin Tonight in Westmoreland County

    October 20, 2025

    Uniontown, PA – Pennsylvania Department of Transportation (PennDOT) District 12 is announcing single-lane restrictions on Interstate 70 in Rostraver Township, Westmoreland County are scheduled to begin tonight Monday, October 20, weather and operational dependent.

    Rolling single-lane restrictions are scheduled to allow crews from Strongstown to make repairs to the glare screen on the median barrier:

    • Monday, October 20 at 8:00 PM to Tuesday, October 21at 6:00 AM
    • I-70 eastbound
      • Between Exit 44 (Arnold City) and Exit 49 (Smithton)
    • I-70 westbound
      • Between Exit 49 (Smithton) and Exit 44 (Arnold City)

    Single-lane restrictions are scheduled to allow crews from PennLine to make guiderail repairs:

    • Wednesday, October 22 at 9:00 AM until 3:00 PM
    • I-70 westbound
      • Between Exit 49 (Smithton) and Exit 46 (Pittsburgh/Uniontown)

    Single-lane restrictions are scheduled to allow crews from Golden Triangle to implement a new traffic pattern that directs traffic from the temporary to permanent ramp at Exit 46 (Pittsburgh/Uniontown):

    • Friday, October 24 at 8:00 PM to Saturday, October 25 at 6:00 AM
    • I-70 eastbound
      • Between Exit 44 (Arnold City) and Exit 49 (Smithton)

    This work is part of the $120.6 million I-70 at Route 51 Interchange Project, which will reconstruct I-70 at Exit 46 to make the section similar to other reconstructed sections to the east and west. A Diverging Diamond Interchange (DDI) will replace the current substandard cloverleaf Route 51 interchange.

    Motorists are asked to exercise caution driving through the work zone. Safety is everyone’s responsibility.

    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 Fayette, Greene, Washington, and Westmoreland counties at www.penndot.pa.gov/District12. 

    Information about infrastructure in District 12, including completed work and significant projects, is available at www.penndot.pa.gov/D12Results. Find PennDOT’s planned and active construction projects at www.projects.penndot.gov.

    Find PennDOT news on X, Facebook, and Instagram.

    MEDIA CONTACT: Melissa Maczko, mmaczko@pa.gov or 724-415-3748

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