 And in Grundy County, Iowa State Patrol is also investigating a crash. A 77-year-old woman was driving on X Avenue in rural Cedar Falls when she failed to stop at a stop sign. Her vehicle hit the back of a pickup truck, causing both to go into a ditch. The woman was taken to Allen Hospital. The other driver was not hurt. For breaking news alerts and the latest headlines in I-9 investigations, stay with TV9.