A water main break has closed all of the southbound lanes of S. University Boulevard, according to the Arapahoe County Sheriff's Office.Drivers are asked to avoid the area and find an alternative route. Only one northbound lane is open at E. Kettle Avenue, as traffic is diverted onto E. Kettle Avenue.Denver Water has been notified and crews are en route to make repairs. the Arapahoe County Sheriff's Office said.The water main break happened just after 5:30 a.m. Friday, but the Arapahoe County Sheriff's Office said it has not yet been determined what caused it. ...read more read less