"Wonder how many drivers just though 'false message' and just carried on regardless."
There's another can of worms.
Gantry information signs are, in my experience, mostly irrelevant or plain wrong. I recall a while back on the A1M near Peterborough going south and passing various indications of "debris in road" - and absolutely nothing to be seen. This went on for miles.
The result is that many drivers don't take them seriously - maybe don't even actually take them in at all. For example, the M1 north from Junction 8 has variable speed restrictions, shown (when in operation) by gantry signs indicating the speed surrounded by a red ring (which means the maximum speed is mandatory, not advisory). I couldn't begin to count the number of vehicles I've seen sailing past at speeds often hugely in excess of the limit. What they may not know is that many of the gantries have speed cameras with no specific warning of their presence.
Last edited by: VxFan on Wed 22 Aug 12 at 01:51
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