Lane closures are expected on another portion of Highway 1 through mid-August. The alternating lane closures will occur between County Road W21 and Highway 92 near Brighton. This is in addition to the closures on Highway 1 between Washington and Iowa City. According to the Iowa Department of Transportation, construction will take place between 7am and 6pm Monday through Saturday through August 18th. A width limit of 11 feet will be in effect during this time period.