Outbound Squirrel Hill Tunnel closure in effect throughout weekend

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PITTSBURGH - The outbound lanes of the Squirrel Hill Tunnel will be closed for the entire weekend.

The Pennsylvania Department of Transportation shut down the tunnel at 10 p.m. Friday for paving, tile replacement and other construction.

Work will continue until 6 a.m. Monday, when the eastbound lanes reopen to traffic.

Two detours are in effect during the weekend closure.

Daylight detour (6 a.m. to 8 p.m.):

  • Exit at Squirrel Hill (exit 74)
  • Make left onto Forward Avenue
  • Continue taking slight right and stay on Forward Avenue
  • Left onto Beechwood Boulevard
  • Right onto Forbes Avenue
  • Right onto South Braddock Avenue
  • End detour at outbound Parkway East on-ramp  


Night detour (8 p.m. to 6 a.m.):

  • Exit at Squirrel Hill (exit 74)
  • Make left onto Forward Avenue
  • Continue slight left/straight onto Murray Avenue
  • Right onto Forbes Avenue
  • Right onto South Braddock Avenue
  • End detour at outbound Parkway East on-ramp  


If significant congestion and delay are occurring during the outbound closure, PennDOT suggests the following alternative:

  • From eastbound I-376, take the Forbes Avenue (exit 72A) to Oakland
  • Continue on Forbes Avenue through Oakland
  • Make left onto South Bellafield Avenue
  • Make right onto Fifth Avenue
  • Continue east on Fifth Avenue
  • Make right onto Penn Avenue (Route 380/8)
  • Continue through Wilkinsburg
  • Access Parkway East in Forest Hills     


The inbound (westbound) Squirrel Hill Tunnel will remain open while the outbound tunnel is closed. PennDOT said short-term inbound traffic stoppages may occur, however, for equipment access and material removal.
PennDOT expects this to be the last full weekend closure for the $49.5 million Squirrel Hill Tunnel Rehabilitation Project.