Detour Maps for Inbound I-376 Parkway East Closure, December 26-30 in Pittsburgh

Pittsburgh, PA – PennDOT District 11 is announcing the closure of westbound (inbound) I-376 (Parkway East) in the City of Pittsburgh, Allegheny County, will occur Wednesday, December 26 through Sunday, December 30 weather permitting.

A full closure of the inbound Parkway East will occur between the Boulevard of the Allies/Liberty Bridge (Exit 72B) off-ramp and the Grant Street on-ramp from 6 a.m. Wednesday, December 26 continuously through 10 a.m. Sunday, December 30.  All inbound Parkway East traffic must exit at the Boulevard of the Allies off-ramp.

All traffic will be detoured.


Posted Detours

Cars (download detour map):

  • From westbound (inbound) I-376, take the Boulevard of the Allies/Liberty Bridge (Exit 72B) off-ramp
  • Take the ramp toward the Veterans Bridge (North 579 to 279)
  • Take the left-hand exit to Convention Center/7th Avenue
  • From 7th Avenue, turn left onto Grant Street
  • Follow Grant Street back to the westbound I-376 on-ramp toward the Fort Pitt Bridge/Airport
  • End detour

Note: Route options for travelers heading to PPG Paints Arena (download detour map).


Trucks (download detour map):

  • From westbound (inbound) I-376, take the Boulevard of the Allies/Liberty Bridge (Exit 72B) off-ramp
  • Take the ramp toward the Liberty Bridge (to Routes 19/51)
  • Continue across the Liberty Bridge and through the Liberty Tunnel
  • Turn right onto North 51/Truck 19 toward the West End
  • Take the left-hand exit to Carnegie/Airport (West 376 and South 19)
  • For motorists continuing westbound on I-376, take the ramp to Carnegie/Airport (West 376)
  • For motorists heading back into downtown Pittsburgh, bear left towards Uniontown (South Truck 19/51)
  • Merge onto eastbound (inbound) I-376 Parkway West and follow through the Fort Pitt Tunnel
  • End detour


PennDOT will work with the City of Pittsburgh Police to assist motorists at key intersections on the detour route.

Additionally, the following ramps will close to traffic (download details part one & part two):

  • The Boulevard of the Allies on-ramp to westbound (inbound) I-376
  • The westbound (inbound) I-376 Second Avenue (Exit 71B) off-ramp
  • The westbound (inbound) I-376 Grant Street (Exit 71A) off-ramp


Alternate Routes

Motorists should consider alternate routes and allow extra travel time during this closure.

To avoid potential lengthy delays on the posted detour routes, PennDOT also suggests taking the Pennsylvania Turnpike in Monroeville to the Allegheny Valley (Exit 48 – New Kensington/Pittsburgh) interchange and following southbound Route 28 to downtown Pittsburgh.

Travelers may also consider taking the Pennsylvania Turnpike in Monroeville to the Cranberry (Exit 28 – Pittsburgh/Erie) interchange. Motorists heading into Pittsburgh can follow southbound I-79 to southbound I-279 (Parkway North).  Motorists heading to the Pittsburgh International Airport or points west of Pittsburgh can follow southbound I-79 to I-376 (Parkway West).

Motorists familiar with the area should consider exiting at the Wilkinsburg (Exit 78B), Edgewood/Swissvale (Exit 77), Squirrel Hill/Homestead (Exit 74), or the Oakland/Glenwood (Exits 73A-B) interchanges to avoid the detour route.


No work will occur in the outbound direction of the Parkway East.

Crews will conduct roadway reconstruction work between the Allegheny County Jail and the Grant Street interchange. Bridge dam replacement work will occur on the I-376 structures near the jail and the Birmingham Bridge.  Additionally, concrete patch work may occur in the bathtub area of inbound I-376.

Motorists should use caution when traveling through the area.


Motorists can check conditions on more than 40,000 roadway miles by visiting 511PA, which is free and available 24 hours a day, provides traffic delay warnings, weather forecasts, traffic speed information and access to more than 860 traffic cameras.

511PA is also available through a smartphone application for iPhone and Android devices, by calling 5-1-1, or by following regional Twitter alerts accessible on the 511PA website.