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    I-376 Fort Pitt Nightly Tunnel Inspection Activities Begin Sunday in Pittsburgh

    November 06, 2026

    Pittsburgh, PA – The Pennsylvania Department of Transportation (PennDOT) is announcing nightly tunnel inspection activities in the I-376 Fort Pitt Tunnel in the City of Pittsburgh, Allegheny County will begin Sunday, November 8 weather permitting.

    Nightly tunnel inspection activities, requiring a closure of the I-376 Fort Pitt Tunnel, will occur nightly from 10:00 PM to 5:00 AM according to the following schedule:

    • Sunday through Wednesday nights, November 8-11 – Outbound (westbound) tunnel
    • Thursday, November 12 – Inbound (eastbound) tunnel
    • Sunday through Tuesday nights, November 15-17 – Inbound (eastbound) tunnel

    Traffic will be detoured.

    Outbound/Westbound Fort Pitt Tunnel Detour

    • From westbound I-376 Fort Pitt Bridge, take the West End (Exit 69C) exit
    • Continue onto West Carson Street toward the West End Circle
    • Turn left onto Saw Mill Run Boulevard toward southbound Route 19/Route 51/westbound I-376/Airport
    • Take the westbound I-376/southbound Route 19 ramp toward Carnegie/Pittsburgh International Airport
    • At the split, stay right to continue onto westbound I-376 toward Carnegie/Airport
    • End detour

    Inbound/Eastbound Fort Pitt Tunnel Detour

    • From eastbound I-376, take the West End (Exit 69C) exit
    • Continue onto Saw Mill Run Boulevard toward northbound Route 51/Route 65/I-279/West End Bridge/North Shore
    • Stay in the right lane, following signs for northbound Route 51/McKees Rocks/West End
    • Stay in the right lane, following signs for southbound Route 837/eastbound I-376/Downtown
    • Turn right onto Route 837 (West Carson Street)
    • Take the ramp to northbound I-279/eastbound I-376
    • End detour

    Crews from GFT Inc. will conduct tunnel inspection activities.

    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. 

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

    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/DOTdistrict 11.  

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

    MEDIA CONTACT: Yasmeen Manyisha, 412-429-5044 or ymanyisha@pa.gov

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