Like McDonald's on steroids. It's fast food but with a wider menu selection and more of a restaurant atmosphere (old-fashioned signs, vintage bicycles, neon signs, oldies soundtrack.) Order and pay at the counter, walk down to another counter and wait for them to call your number.
My husband ordered a loaded Chicago hot dog; I had a basic burger. The burger had a nice char flavor and lots of condiments. Crinkle fries were crispy and potato-y. We shared a "small" chocolate malt, which was more than enough for the two of us. They also offer sandwiches, ribs, salads, and desserts.
It's not a destination restaurant, but if you're in the neighborhood and hungry, it's a solid bet for American classics at a very reasonable price.