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George Washington Memorial Parkway

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George Washington Memorial Parkway
IUCN Category V (Protected Landscape/Seascape)

Location	Virginia & Maryland, USA
Nearest city	Washington, D.C.
Coordinates	38°54′40″N 77°06′08″W / 38.91111, -77.10222Coordinates: 38°54′40″N 77°06′08″W / 38.91111, -77.10222
Area	7,247 acres (29 km²)
Established	May 29, 1930
Visitors	7,284,165 (in 2005)
Governing body	National Park Service

Map of the George Washington Memorial Parkway

Vehicles round a bend in the George Washington Parkway near Washington National Airport and Gravelly Point in Arlington, Va.

The George Washington Memorial Parkway, known to local motorists simply as the G. W. Parkway, is a parkway maintained by the U.S. National Park Service. It is located mostly in Northern Virginia, although a short section near the Arlington Memorial Bridge passes over Columbia Island, which is within the city limits of Washington, D.C. It is separated into two sections joined by Washington Street (State Route 400) in Alexandria, Virginia. A third section, the Clara Barton Parkway, runs on the opposite side of the Potomac River in the District of Columbia and Montgomery County, Maryland. A fourth section was proposed for Fort Washington, Maryland, but never built. The parkway is designated an All-American Road.

1 Northern section
- 1.1 Potomac Heritage Trail
2 Southern section
3 Clara Barton Parkway
- 3.1 Previously proposed connection
4 Administrative history
5 Major intersections
6 References
7 External links

Northern section

USMC War Memorial, along the G.W. Parkway

The northern section extends from North Washington Street at First Street, at the northern end of Old Town Alexandria, to its terminus at Interstate 495, the Capital Beltway, in Fairfax County, just south of the Potomac river. It follows the Potomac River, passing through Arlington County, and serves as the primary access point to National Airport. The parkway also provides automobile access to Theodore Roosevelt Island, the LBJ National Grove, Gravelly Point Park, Fort Marcy, and Turkey Run Park. There are scenic view rest areas for those wishing to view the Georgetown skyline and Potomac Palisades. The cloverleaf interchange with the 14th Street Bridge, dating to 1932, is one of the oldest cloverleaf interchanges in the United States. Spout Run Parkway connects the George Washington Memorial Parkway to U.S. Route 29, providing an indirect connection to Interstate 66. The portion of the parkway north of National Airport and State Route 233 is part of the National Highway System.

Potomac Heritage Trail

The Potomac Heritage Trail is a 10 mile trail that follows the Potomac River and the parkway. It begins at Roosevelt Island and goes to I-495 at the American Legion Bridge. It is a segment of the Potomac Heritage National Scenic Trail.

Southern section

The southern section extends from South Washington Street at the southern end of Old Town Alexandria past Fort Hunt to Mount Vernon. The southern section is a limited-access highway, but with at-grade intersections. At Mount Vernon, the parkway ends at a traffic circle, where it joins State Route 235. Most of this route was taken from the Washington, Alexandria and Mount Vernon Railway's right of way. The very popular but narrow Mount Vernon bicycle trail parallels the entire southern section and middle sections of the parkway (from Theodore Roosevelt Island to Mount Vernon), and is often filled with recreational and commuter cyclists and runners.

Clara Barton Parkway

It has been suggested that this article be split into articles entitled Clara Barton Parkway, accessible from a disambiguation page. ()

Clara Barton Parkway in Maryland

The Clara Barton Parkway is administratively part of the George Washington Memorial Parkway. It was signed as such until 1989, when it was renamed to overcome motorist confusion.^[1] The Clara Barton Parkway has its eastern terminus in the District of Columbia, where the parkway connects with Canal Road and Chain Bridge. It has its western terminus in Montgomery County, Maryland, just outside the Capital Beltway. The parkway provides access to Glen Echo Park and the Clara Barton National Historic Site in Glen Echo, Maryland. The Clara Barton Parkway connects to the Capital Beltway via a partial interchange and also via the Cabin John Parkway.

Previously proposed connection

The parkways on the two sides of the river were originally supposed to be joined by a bridge at the Great Falls of the Potomac River. However, opposition from preservationists led to the cancellation of that bridge. Instead, traffic between the two parkways uses the American Legion Bridge. The Virginia side of the Potomac river at Great Falls is managed by the Superintendent of the parkway as a national park site, known as Great Falls Park. At Great Falls Park, one can find the remains of the Patowmack Canal, the first canal with lifting locks in the United States. The canal project, which George Washington partially funded and which commenced in 1786, was one of the world's first engineering works in which blasting powder was utilized to remove rocks and overburden. A total of five locks were constructed, and restoration and preservation of these locks is ongoing.

Administrative history

The parkway was authorized May 29, 1930 and transferred from the Office of Public Buildings and Public Parks of the National Capital August 10, 1933. On November 28, 1989, the road in Maryland was renamed the Clara Barton Parkway. The Parkway also administers other National Park Service features and areas:

Major intersections

Only signalized intersections and interchanges are listed.^[2]

Location	Road(s)	Notes
	SR 235 (Mount Vernon Memorial Highway)	Traffic circle
	Fort Hunt Road - Fort Hunt Park	Interchange
	Hunting Creek	Bridge; south end of gap
Gap; see State Route 400
	1st Street	North end of gap
	Bashford Lane
	Slaters Lane
	Reagan National Airport	Interchange
	I-395 - Washington, Richmond	Interchange
	SR 27 west to I-395 – Lyndon B. Johnson Memorial Grove, Pentagon	Interchange; no northbound exit
	Arlington Memorial Bridge - Arlington Cemetery, Washington	Interchange
	US 50 west	Interchange; northbound exit and southbound entrance
	I-66 east / US 50 west	Interchange; southbound exit and northbound entrance
	US 29 north - Key Bridge	Interchange; southbound exit and northbound entrance
	To I-66 west to US 29 / Spout Run Parkway – Arlington, Washington	Interchange; northbound exit and southbound entrance
	SR 123 – Chain Bridge, Washington, McLean	Interchange
	CIA, FHWA	Interchange
	Turkey Run Park, Washington, to I-495 (U-turn)	Interchange
	I-495 - Maryland	Interchange

References

^ Ron Shaffer (June 25, 2006). After 20 Years of Columns, Checking the Rearview Mirror One Last Time. The Washington Post. Retrieved on 2007-11-23.
^ Google Maps aerial photos; the stop line at traffic signals is clearly visible