AREA HIGHWAY THAT WAS CLOSED DUE TO FLOODING IS NOW OPEN TO TRAFFIC May 12, 2021 Local News Tweet Share LinkedIn Email After being closed the last couple of days, an area roadway has been reopened to traffic. According to MODOT, Highway 23 between Concordia and Knob Noster in Johnson County is now open to traffic. Tags: Johnson County, Missouri Department of Transportation, MoDOT