M4 Matrix Board Update
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Scooby Regular
Joined: Aug 1999
Posts: 157
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Travelled on the M4 from Chepstow to Cwmbran turn-off today and noticed that all the matrix boards had a small white square lump just above the top of them. Looked very like a small camera. Anyone else noticed them?
Any ideas what they are for?
Any ideas what they are for?
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