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    Inbound Liberty Tunnel Overnight Closure Monday Night in Pittsburgh

    April 03, 2026

    Pittsburgh, PA – The Pennsylvania Department of Transportation (PennDOT) is announcing the closure of the inbound Liberty Tunnel (Route 3069) in the City of Pittsburgh, Allegheny County, will occur Monday night, April 6 weather permitting.

    The inbound (northbound) Liberty Tunnel will close to traffic from 8:00 PM Monday night to 5:00 AM Tuesday morning to allow crews from Mosites Construction Company to begin work on the tunnel roof replacement project. Inbound traffic will be detoured.

    Posted Inbound (northbound) Detour

    ·     Take Route 51 (Saw Mill Run Boulevard) northbound

    ·     Take the left exit to I-376 West/US 19 South toward Carnegie/Airport/West End

    ·     Take Exit 69A toward US 19 South/Banksville Road

    ·     Keep left (towards South Truck 19/51) and loop back to I-376 eastbound toward Fort Pitt Tunnel

    ·     Follow eastbound I-376 through Fort Pitt Tunnel and across the Fort Pitt Bridge

    ·     For access to I-279 destinations follow I-279 signage, all other destinations take exit toward I-376 East/Monroeville

    ·     Take the left-hand exit to Grant Street (Exit 71A)

    ·     Turn right onto the Boulevard of the Allies

    ·     End detour

    The Liberty Tunnel Portal roof will be replaced in 2026 on this $3.47 million project in the City of Pittsburgh. Overnight closures and detours of the Liberty Tunnel will occur during the project, however, the closures will not occur in both directions simultaneously. The overall project, which includes drainage improvements and other miscellaneous construction activities, is expected to be complete in late 2026.

    Drivers 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 1,200 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: Steve Cowan, 412-429-5010

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