The Iowa State Patrol investigated a single vehicle accident Saturday at about 10 am in Jefferson County. The accident occurred on 155th Street one quarter mile east of Hwy 1. Courtney Reid of Fairfield was driving west on 155th when she lost control of her vehicle. It rolled into the north ditch and came to rest on its top. Reid was transported to Jefferson County Hospital with possible injuries. The accident remains under investigation and charges are pending.