Typically it’s not something you’re going to find in a random gas station, both because it scares off customers and because it’s a great way to get the cops crawling up your ass as a business owner. If you ignore people engaging in sex work on your property then you’re opening yourself to legal issues.

The only places you usually see that kind of thing are places that you’d already think are kind of seedy, like adult movie theaters and truck stops/rest areas.