GREEN BAY, Wis. (WBAY) - The Wisconsin Department of Transportation released a preview Thursday of all the interstate and state highway construction projects happening in our area this year. One of the biggest gets underway next month, the I-41 corridor between De Pere and Grand Chute is being expanded from four lanes to six! “I live in Appleton and I work in De Pere. So, I am driving that stretch of the highway, usually twice a day, five days a week,” said Joe Niederehe.