cyclopopcicle said:so why do they have lines on both sides of roads?
Dangerous said:So they can still catch you if you overtake or go on the other side of the road going away from the gatso.
They also have them on dual carrigeways (sp?) so that they can periodically turn the samera to face the other way
(There is one on the A40 out of town near Park Royal in the central reservation that is set up like this)