Three persons were transported by Tama ambulances to Marshalltown Medical and Surgical Center Tuesday afternoon, Sept. 5, according to the Tama County Sheriff's Office. They were occupants of a vehicle which rolled in the 3200 block of H Avenue west of Tama according to the Sheriff's Office. The route is known locally as the campground road. Names of the victims were not immediately released. The accident was reported about 1:30 p.m. Investigation by the Sheriff's Office continues.