Maryland Route 173 highway shield
Maryland Route 173 (MD 173) is a state highway that runs from the southern part of Baltimore City to the northeastern section of Anne Arundel County. The route begins at MD 2 in the Brooklyn neighborhood and runs south to Fort Smallwood State Park.

Southbound

Photographed from MD 607 to its southern terminus at Fort Smallwood State Park.

MD 173 passes MD 607 on its final approach to Fort Smallwood State Park. The drive in this area is filled with marina communities that line Rock Creek and the Patapsco River's mouth as it empties into the Chesapeake Bay.

MD 173 SB marker past MD 607 | Pasadena, MD

MD 173 SB @ Oak Harbor Marina | Pasadena, MD

MD 173 SB marker past Bayside Beach Rd and Colony Rd | Pasadena, MD

Taken May 25, 2025

Approaching the end of MD 173, we see an off looking "ROAD ENDS" sign. A variation of this sign has been here since at least 2008 according to GSV, but this particular one was replaced in the last few years. Right ahead of it is a pretty rare 'END' sign (at least in Maryland) for MD 173. It's always a joy to see these! On the road ahead is a traffic circle that leads to the entry to Fort Smallwood State Park.

MD 173 SB, Road Ends 1000ft | Pasadena, MD

MD 173 SB End | Pasadena, MD

Taken May 25, 2025

MD 173 highway shield  ENDS

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Published November 1, 2025
Updated November 1, 2025