Starting Thursday, weather permitting, traffic will be reduced to one lane in each direction on Damen and Elston north of Fullerton to accommodate partial demolition of the Mid-Town building, at 2020 W. Fullerton Ave., CDOT officials said. In addition, a section of land owned by Vienna Beef will be needed for the project, officials said. The sausage maker will be relocating its plant to Bridgeport.