The "X" on the reservations page are sites not available because the park service has closed 50% of the sites to allow for distancing and avoid overcrowding. Some of the campground sites are right on top of one another. Keep searching for a cancellation as the tend to pop up the more closely you approach the date. They go very fast, within minutes. I have driven Tioga Pass rd about a half a dozen times. Very beautiful, but can be scarey. Take it slow and use the turn outs to view the beauty. We've been up there 60+ times over the past 17 years. Never gets old! We have reservations for next month, but aren't sure we are going. It's my understanding from a friend who visited back in June, that there isn't much mask wearing outside and no social distancing. Because of the shuttles not running, visitors crowd the sidewalks . Masks are required in the store and social distancing required to protect the employees.