The highway expands to six lanes east of MD 414 and passes a Smithsonian Institution Libraries support center.
Maryland | University of Maryland | Bethesda, Maryland | Annapolis, Maryland | Silver Spring, Maryland | Montgomery County, Maryland | U.S. Route 66 | U.S. Route 1 | Cumberland, Maryland | Governor of Maryland | Frederick, Maryland | Maryland House of Delegates | Hagerstown, Maryland | U.S. Route 6 | U.S. Route 101 | Route 66 | Emmitsburg, Maryland | Columbia, Maryland | Westminster, Maryland | U.S. Route 30 | New Jersey Route 4 | European route E65 | U.S. Route 40 | Laurel, Maryland | Howard County, Maryland | Havre de Grace, Maryland | California State Route 1 | University of Maryland, Baltimore | Bowie, Maryland | U.S. Route 1 in Maine |
The Suitland Manor neighborhood, located at the intersections of Maryland Route 218 (Suitland Road) and Maryland Route 458 (Silver Hill Road) was targeted for demolition by the county because of the frequent occurrence of violent crime and drug trafficking in the area.