PITTSBURGH — The inbound Liberty Tunnel in Pittsburgh will be closed overnight starting Wednesday for a roof replacement project.
The inbound side will be closed to traffic from 8 p.m. to 5 a.m. on Wednesday and Thursday.
PennDOT released the following detour:
- 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 replacement is part of a $3.47 million project that is expected to be completed in late 2026. Overnight closures will occur during the project, but will not occur in both directions simultaneously.
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