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OLD SKOOL KI

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Jim897

Blue lights on HGVs

Why do some HGVs show small but blue lights in their windscreens. I thought that showing a blue light was only allowed by the emergencey services. Are they committing an offence?
09:06 Fri 03rd Mar 200610 answers, last by OLD SKOOL KI 14:19 Fri 08th Dec 2006

Only 1 question