Location: Route 21 and Route E, Washington Cty A few miles after the 47 split, we’ll approach E. Location: Route 21 and Route E, Washington Cty Turn right for Route E, which follows an old 21 alignment into Potosi. Location: Route 21 and Route E, Washington Cty Reassurance shield after E. Location: Route 21 and … Continue reading Missouri Route 21, MO-47 to MO-8