I thought this was a great idea but they do not appear to be increasing in number of airports served very fast. I asked an INS agent last week at LAX (the machine was not working) about the program and he simply shrugged.

As for getting the pass at LAX, as you recheck your bags once clearing customs there is a temporary-looking building behind the screeners. Go around to the opposite side. Inside there is the office that issues the passes. I believe there are signs posted.

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Kevin