No, she's entering the publicly-accessable grounds around a federal facility. There was no physical control of that area (i.e.: show ID or don't get in). The ID check served absolutely no purpose for security, as no analysis of the information thereupon was done. There was nothing indicating "crossing this line requires ID or arrest". There was nothing indicating "you must have ID to get on this bus". There was no fair warning. The enforcement of requiring ID served only the purpose of requiring ID - a stupidly circular argument, supporting only tyrrany.
You may have additional information, but it appears that this area requires having an ID to enter, since there is a fella there asking for ID.
By her own admission, she was fully aware that she required an ID and was only busted after refusing several days in a row. That would constitute notice, in my book.
As for analysis of the information, you don't think the fella asking for IDs gets to know everybody on the bus after a couple of days, so he can see who is a regular and who is not?
If this is a Federal Facility, they can do this sort of thing. Frankly, it seems a lot less intrusive than a lot of policies I have seen. If she doesn't like it, she can go around.
In unbiased reporting on this incident it's reported there are signs stating ID must be presented prior to entering the grounds. She'd already been through at least once and showed her ID so she was aware of the procedure.
I suppose my question would be "Since the land is owned by the Federal Government do they not have the right to demand ID be produced in order to cross their land?" Or is the position going to be that since it's federal land it isn't private property and belongs to all of us? Also, why would the bus have a sign when there are stops prior to entering federal land and no ID is required prior to entering the fed land?