 The route immediately encounters the eastern end of MD 821 (Main Street) and crosses an unused railroad grade owned by the Maryland Department of Transportation.MD 454 meets the northern terminus of MD 311 (Halltown Road), where the name changes to Crown Stone Road, before leaving Marydel and collecting the other end of MD 821.The state highway turns north through farmland before entering the town of Templeville and terminating at MD 302 (Barclay Road), which forms the border between Caroline County and Queen Anne's County.