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 ...
From the west gate in Ohio to the east end ( exit 239) toll is $50.25 (240 miles).
The west gate on the Pennsylvania turn-pike to exit 10 is $30.80 for a drive on the Pennsylvania turn pike of only 9.27 miles. We are exiting there and taking other routes.