I tried this sandwich at one of their out of town locations and decided to try it at the original location. It was fun to eat in a restaurant that has been around since 1933. They are open 24/7 and are located in an old part of Pittsburgh known as The Strip. It looks like a bunch of old warehouses have been converted to other purposes. There is metered street parking except parking is free on Sunday. Though cold, it was sunny and lots of people were out and about.
Though crowded, I was seated quickly by a friendly staff person. My waitress took my order. I ordered a roast beef and cheese with everything and requested that it be toasted. A runner brought a turkey sandwich to me and I told her that was not my order. Then my waitress came over and apologized but then wanted to "make sure" that the roast beef was what I "really wanted." There was a bit of condescension in her tone as if this old lady had ordered the wrong thing (they don't write down any orders). She got it right - except it was not toasted - and then checked on me after that. The sandwich was good. The fries are very good and I'd prefer them on the side, but then it wouldn't be a Primanti Bros sandwich.
The area is full of shops and it is next to a sports stadium. Lots of people were sporting Pittsburgh Steelers and Steelers gear. There are a variety of restaurants in the area. If you come to Pittsburg, I would definitely check it out.