Strange little cameras on gantries above the roads.
I've noticed recently that some odd looking cameras have started
popping up on gantries around london. I've seen them on the A406, A12
and A13 so far. They/re quite small, round and theres usually 4 or 5
of them mounted horizontally on a bar across the carraigeway. Are
these some sort of number plate recognition system?
B2003
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