Liberty Tunnel set for overnight closures starting Sunday

Extensive inspections and survey work will close the Liberty Tunnel inbound (northbound) in Pittsburgh overnight starting Sunday night, weather permitting.

Overnight tunnel closures on the inbound side will happen from 8 p.m. to 5 a.m., on Sunday, Monday and Tuesday, according to PennDOT.

Tunnel closures on the outbound (southbound) side will take place Wednesday (one hour after the end of the Pirates game) and Thursday night.

The tunnel will be open again with no work scheduled on April 28-29.

Work resumes on Sunday, April 3o and Monday May 1 on the outbound side, and on Tuesday, May 2 on the inbound side.

Traffic will be detoured during the inspections.

Additional overnight closures are anticipated but have not been scheduled. Details will be provided in advance of any future closings, according to PennDOT.

Police will assist with traffic control at the signalized intersections outside of the tunnel entrances.

Here’s the posted detours for the work starting Monday.

Outbound (southbound):

• Turn right onto PJ McArdle Roadway;

• Continue straight onto Merrimac Street;

• Turn right onto Woodruff Street;

• Follow Woodruff Street to Route 51/19 (Saw Mill Run Boulevard);

• Turn left onto Route 51/19 and follow back to Route 19 (West Liberty Avenue).

Alternate outbound (southbound) route

• Use the outbound Fort Pitt Tunnel or West End Circle to Route 51.

Inbound (northbound)

• 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 (toward South Truck Route 19/51) and loop back to I-376 eastbound toward the 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 exit 71A to Grant Street;

• Turn left onto Grant Street.