Owing to the fact that Z1-6 travelcard holders will be able to use the
Heathrow Express tomorrow, at no extra cost, I have decided to take a
trip on this service.
I read in the media earlier in the week, that trials of a scanner
system, similar to the system used in scairports started this week, with
people randomly selected to be scanned.
If I happen to be the "unlucky" one, can I request that I am not
scanned, or can they deny me the right to travel?

Thanks
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