If you’re traveling around Washington County tomorrow morning in the area of Arthur Road near Highway 144 and you see multiple police and fire units blocking the road, don’t panic. The Washington County Sheriff’s office wants to notify you that the road will be blocked off from approximately 7:00 am to 12:00 noon tomorrow for the purpose of conducting a Mass Casualty Training Drill at St. Luke’s Lutheran Church located at 4860 County Trunk NN. The training drill will include Washington County Law Enforcement Agencies, Fire & Rescue Units from Washington- Ozaukee- Fond du lac- Waukesha- and Dodge Counties plus the Washington County Emergency Management team. Area hospitals will also be participating in the exercise. Due to the magnitude of this drill County Trunk NN from State Highay 144 to Arthur Road will be closed during this exercise. Residents are being asked to avoid this area. A detour will be posted utilizing Arthur Road, Hillside Road and Cedar Creek Road.