By Chris Conley Fatal crash. MWC file photo. WEYAUWEGA, WI (WSAU-WAOW) â One person is dead, another is seriously injured, after a roll-over crash in Waupaca County. The Sheriffâs Department says it happened around 2:30am Wednesday in the Town of Weyauwega. The vehicle was traveling northbound on CTH U near Railroad Grade Road. It went into a ditch, came back onto the road and then rolled several times. There was only one vehicle involved in the crash. The cause is not known. A press release said the driver was thrown from the vehicle and died at the scene. It also said a passenger in the vehicle and transported to Theda Care Medical Center in Neenah with life-threatening injuries.