...between M56 and Whitchurch. Once you pass Oulton Park you turn right at lights by a pub called (I think) The Red Fox.
Anyway, about 500yds down that road is a device which doesn't look like a speed camera but doesn't flash one of those "Slow Down" messages at you. It's on a pole like a Gatso but bigger. It's pointing at you as you drive towards it with what looks like a black grille/mesh face. I thought I saw an infra-red red light. A bit further down the road there is another one, pointing at your rear, so I assume there is some form of measurement over distance going on.
Excuse my ignorance but I've never seen one of these before. Any ideas??
Thanks.