NO LEFT TURN IDIOT!!!

When there is road construction, a 4 lane road is often temporarily turned into a 2 lane as the road crew work on one side of the road.  This allows the road to be open during the duration of the work.  And when the road is turned into 2 lane, the construction crew would put a No Left Turn sign to allow free flowing of the road in intersection.  During this time, there will always be idiots who would insist on making a left turn thus blocking the flow of the intersection.  So even if the light is already green, the cars stuck behind the idiot who is trying to make a left turn can't proceed.  This create more delay and unnecessary traffic.  So annoying.