http://www.infowars.com/tsa-expands-invasion-to-ca-train-stations-bus-terminals/ Papers please...unless you're an economic refugee, in which you are free to move about the country.
According to some locals who use a bus company and one couple who go to see their daughter in NYC twice a month, they have been at the large terminals down there too.
We'll see rolling checkpoints in less than 5-years to make sure it's OK to be out of your listed Fusion Zone with radios blaring the same repetitive message about complying with authorities for your own safety.
This is why they are buying the booths, to set up internal checkpoints. The freedom to travel about the country ? Just another part of that obsolete Constitution. Welcome to the police state.