http://www.511pa.com/TravelConditions/TravelDelay.aspx
I would not try to take the Parkway / Ft. Pitt Tunnels if I were you… (actually, it may have only been closed overnight, but I wouldn’t take the chance if I were in a hurry…)
PennDOT even provides a handy Google Maps plug-in on their website with traffic: http://www.511pa.com/Traffic.aspx