Those SPID boards are paid for by anyone that has to do a speed awareness course and are usually positioned where serious accidents have occurred and speed was considered a contributing factor.

o right in that fact then they mean more, i didnt know that and ill think of it more when i see one now, but there are a tad bright at night i have one outside my house, i live on a big hill and the cars you see doing well in excess of 50 in a 20 is unreal there is a patrol car nearly always sat at the bottom of the hill or midway during a friday/ sat night