I put this under class A as I believe those driving Motorhomes ( especially longer heavier w/tag axles) would be paying much higher tolls than fifth wheels or travel trailers, and perhaps more likely ...
I believe Pa turnpike tolls are going up again on January 1, so it will cost you even more. It will go up 6% for all vehicles. Just the other day we made a quick trip down to Philly and back. We got on in wilkes Barre and off in Langhorn, $15.35 one way with a car.