Calculate Guest Rooms with Mobility Features How many accessible guest rooms with mobility features do you need? Try out the calculator! And remember… You can find more information about accessible transient lodging in the 2010 ADA Standards Section 224.2 , by looking at the Northwest ADA Center’s Accessibility Checklist for Hotels, or by checking out our Accessibility for People with Disabilities in Hotels and Places of Lodging Fact Sheet. Enter Total Number of Guest Rooms Provided: