Officials are reminding motorists to "move over" as there were two crashes in construction zones in Madison area this week . Thursday morning on I39/90 near Mc Farland, a Dane County Highway Dept truck was hit. The day prior, Wednesday, another highway worker received minor injuries when their truck was rear-ended on the Beltline. Dane County Highway Commissioner Jerry Mandli says it's very upsetting for the employees involved. In 2009, Dane County Highway employee, 61 year old James Porter of Monona was killed while working on Highway 151 near Sun Prairie. Local authorities say they will be beefing up enforcement in construction zones.