Maryland Route 646 (MD 646) is a
state highway
A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...
of
Maryland
Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
. Known as Prospect Road, the state highway runs from
MD 543 near
Ady north to
MD 136 at
Prospect
Prospect may refer to:
General
* Prospect (marketing), a marketing term describing a potential customer
* Prospect (sports), any player whose rights are owned by a professional team, but who has yet to play a game for the team
* Prospect (mining ...
. MD 646 was constructed as a section of MD 543 in the early 1930s. That section of MD 543 and the road originally marked as MD 646 swapped numbers by 1946.
Route description
MD 646 begins at an intersection with MD 543 (Ady Road) in the hamlet of Emory Church near Ady. Cherry Hill Road heads west from the other side of MD 543 as a county highway toward
Rocks State Park
Rocks State Park is a public recreation area located in and around Deer Creek Valley near Pylesville, Harford County, Maryland. The state park's preserve the geologic formation known as the King and Queen's Seat and other features in three n ...
. MD 646 heads northeast as a two-lane undivided road through farmland. After crossing
Broad Creek, the state highway passes through the
Mill Green Historic District
The Mill Green Historic District is a National Register of Historic Places listed community located in Harford County, Maryland. The district consists of a small cluster of privately owned historic homes and buildings including a historic mill. ...
, where it intersects Mill Green Road. MD 646 crosses Broad Creek again and continues to its northern terminus at MD 136 (Whiteford Road) in the hamlet of Prospect. Prospect Road continues north as a county highway toward the
Pennsylvania
Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
state line.
History
The portion of modern MD 646 from MD 543 at Emory Church to just north of Mill Green was constructed in 1933 as the northern end of MD 543.
MD 646 was originally assigned to the section of MD 543 between Emory Church and
Pylesville, which was constructed around 1938.
By 1946, MD 646 and MD 543 had swapped to their present routes north from Emory Church toward Mill Green and Pylesville, respectively.
MD 646 was extended north to MD 136 in 1950.
Junction list
See also
*
References
External links
{{Attached KML, display=title,inline
MDRoads: MD 646
646
__NOTOC__
Year 646 (Roman numerals, DCXLVI) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. The denomination 646 for this year has been used since the early medieval period, when the Anno Domin ...
Maryland Route 646