OSM tag tunnel:name=Howard Street Tunnel matches Howard-Street-Tunnel in these Wikidata fields:
OSM tag tunnel:name=Howard Street Tunnel matches Howard Street Tunnel in these Wikidata fields:
| Baltimore and Ohio Railroad tunnels | type=tunnel, tunnel |
| CSX Transportation tunnels | type=tunnel, tunnel |
| Railroad tunnels in Maryland | type=tunnel, tunnel |
| Railway buildings and structures on the National Register of Historic Places in Maryland | boundary=protected_area, historic |
| Railway tunnels on the National Register of Historic Places | boundary=protected_area, historic, type=tunnel, tunnel |
| Transportation buildings and structures on the National Register of Historic Places in Baltimore | boundary=protected_area, historic |
| Tunnels in Baltimore | type=tunnel, tunnel |