PennDot did not pave over the 56 tracks, that was an outside contractor SEPTA hired to do the work. PennDot had no say in what happened inside 1.2 meters (don't ask me why the plans were in metric) from the curb on either side of the street as long as the tracks were on the surface. That was SEPTA's easement to maintain and care for, they got it from PTC back in 1968. PennDot milled the outer 1.2 meters of the road and resurfaced it with the standard asphalt, SEPTA took the oppertunity of PennDot's resurfacing to rid themselves of pesky surplus infrastructure they had lying around. You could clearly see where the two pavings were done, it was rather obvious when the pave job was first done, but has become less so now. According to a construction inspector I talked to the SEPTA job is a rather shoddy coat just a few rungs above cold patch, while the PennDot stuff is much higher quality. Expect to see Torresdale return to it's rutted, potholed old self, possibly worse, in as little as 5 years. The test coats around Hellerman and Unrah didn't look to be in good shape before they were re-coated. Now that SEPTA has paved over the tracks, they're no longer responsible for maitenance inside their easement (if that's even the right word) on Torresdale, not that they ever seem to have done anything. They passed the buck on to Philly Streets Division, and they're STILL in the hole for operations this year, way to go SEPTA.
There is absolutely nothing to prevent SEPTA from tearing up the pavement and putting in new rubber-coated subway surface-style rails with a concrete base other than some likely minor legal issues with PennDot and Philly Streets. Lets face it, the tracks were an utter mess, both to drive over, and likely to ride on, the poles and remaining overhead were in tatters, several of the poles looked like they'd taken a semi full-on. All we need is the substation sites, the turning loop, and the trench in the middle of the street where the original tracks were placed. The road might lose a bit of crown with rebuilding of the tracks, but the tracks themselves could be drained, or just stick some fill under the new foundations. Regarding poles, why the heck can't this city get it's act together and unify poles? PECO, SEPTA, BTC, Verizon, in some places they ALL have their own structures jutting into the sky, why can't SEPTA just buy space on a PECO pole for their 600vdc bus and support wires? There's absolutely nothing special or EMF or any BS causing effects from a frigging 600vdc sub-1000amp trolley line, so long as it's properly insulated, which I hear PECO has some sort of experience with. Hell, have PECO maintain the overhead on a turn-key system or even a BOM, and have Philly streets set up a department to do all CTD street trolley track maitenance, they'd both charge SEPTA for their services, and perhaps SEPTA'd cut some of their precious overhead I'd say any and all work to get the 56 back up to operational status as a near-new line rebuilt to modern LRV standards (those being what we see in West Philadelphia on the rebuilt subway surface lines), not to mention clearing of potential political obstacles, should be completed in advance of opening the line. There'd be little to fast tracking the 56 back to existance only to have to run buses overnights and weekends to replace final bits of trackage, and indeed that be a position almost as embarassing as, if not moreso, the Girard Ave Light Rail debacle.
Now I'd like to know where all those idiots who were claiming the paving over of the 56 would have a positive effect are. I drove down Torresdale a few weeks ago, it may be quieter, but the neighborhood sure as hell didn't change, it just surrendered a bit more of it's character. Compared to what COULD have been, with nice little low floor LRVs providing frequent, quiet, clean service to the MFL or BSS, the residents of Torresdale Ave certainly lost out. Nobody will shop by car along such a narrow street, the lack of parking is blatantly obvious, they would have benefitted more by courting customers without the burden of cars, and perhaps pushing SEPTA to reinstate the 56 along with the 15.
Oh well, I've said my piece, and I guess I need to remember, this IS SEPTA...