Roads of the Mid-South & West > Highways of the State of Missouri > State Highways of the State of Missouri > Missouri State Route 21
|Missouri State Route 21|
Missouri State Route 21 is a north-south highway in Southeastern Missouri. It runs from the St. Lousi Metro Area to the Missouri/Arkansas State Line, near Poynor. Info on MO St Rt 21 is broken down by county below.
Washington County Iron County Reynolds County
Carter County Ripley County
27 September 2009