Police in Council Bluffs were asking motorists to avoid the area of Harry Langdon Boulevard and Highway 92 Monday afternoon, after an over-sized semi driven by Timothy Downing of Council Bluffs, went through the intersection struck a set of the traffic signals, knocking them down.The accident happened sometime after 2-p.m.

The intersection was being controlled by 4 way stop signs until further notice. Officials expected the intersection will possibly be back to normal sometime tomorrow (Tuesday).