If I'm a dysphoric guy (identifies as male but born female) are there any all user restrooms? If no which restroom do I use?

Private restroom for either gender. Your choice I reckon

Most rest areas across America have men women and then a Family restroom. Not all have the family restroom but a lot do. Use the one you're comfortable with. I think America as a whole is more concerned with men dressed as women being in a ladies restroom with little girls. Just my opinion.