State Route 645 in

Fairfax County Fairfax County, officially the County of Fairfax, is a county in the Commonwealth of Virginia. It is part of Northern Virginia and borders both the city of Alexandria and Arlington County and forms part of the suburban ring of Washington, D.C. ...

Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...

is a secondary state highway. There are six portions, three of them being major, named Wall Road, Lees Corner Road, Stringfellow Road, Clifton Road, Main Street (in the Town of

Clifton Clifton may refer to: People *Clifton (surname) *Clifton (given name) Places Australia * Clifton, Queensland, a town **Shire of Clifton *Clifton, New South Wales, a suburb of Wollongong *Clifton, Western Australia Canada *Clifton, Nova Scotia ...

) and Burke Lake Road. There are also numerous overlaps (mostly unposted): some include SR 657 / Centreville Road,

U.S. Route 50 U.S. Route 50 or U.S. Highway 50 (US 50) is a major east–west route of the U.S. Highway system, stretching from Interstate 80 (I-80) in West Sacramento, California, to Maryland Route 528 (MD 528) in Ocean City, Maryland, on the Atlanti ...

, SR 652 (Burke Rd), SR 612 (Yates Ford Rd/Henderson Rd), and SR 641. A concurrency used to exist at

US 29 U.S. Route 29 (US 29) is a north–south United States highway that runs for from Pensacola, Florida to the western suburbs of Baltimore, Maryland in the Southern United States, connecting the Florida Panhandle to the Baltimore-Washington ...

near Centreville until the 1990s.

Route description

A map of

shows that SR 645 is somewhat circuitous: Wall Road is east–west, Lees Corner Road, Stringfellow Road, and the northern part of Clifton Road are north–south, the rest of Clifton Road is mostly east–west, and Burke Lake Road is northeast-southwest.

Wall Road

SR 645 starts in Oak Hill at a

cul-de-sac A dead end, also known as a cul-de-sac (, from French for 'bag-bottom'), no through road or no exit road, is a street with only one inlet or outlet. The term "dead end" is understood in all varieties of English, but the official terminology ...

between SR 28 (Sully Road) and SR 657 (Centreville Road). It goes one block and terminates at SR 657.

Lees Corner Road

At this point SR 645 turns south and is concurrent with SR 657, Centreville Road. SR 645 then turns southeast along Lees Corner Road in

Herndon Herndon may refer to: People * Herndon (surname), an American surname * Herndon Davis (1901–1962), American artist, journalist, illustrator, and painter Places in the United States Communities * Herndon, California, an unincorporated commun ...

. It terminates at

, Lee Jackson Memorial Highway, in

Chantilly Chantilly may refer to: Places France *Chantilly, Oise, a city located in the Oise department **US Chantilly, a football club *Château de Chantilly, a historic château located in the town of Chantilly United States * Chantilly, Missou ...

Stringfellow Road

At this point SR 645 turns east and is concurrent with US 50. SR 645 then turns south in Fairfax. Once south of U.S. 50, Stringfellow Road serves as the ZIP Code border between

(20151) and Fairfax (22033). The road passes through the Greenbriar development, where it intersects with SR 4831, Poplar Tree Road. It then passes by Fair Lakes' western end where the

Fair Lakes Parkway A fair (archaic: faire or fayre) is a gathering of people for a variety of entertainment or commercial activities. Fairs are typically temporary with scheduled times lasting from an afternoon to several weeks. Types Variations of fairs incl ...

terminates at SR 645. After this, Stringfellow Road passes east of the Stringfellow Road Park & Ride, a

park and ride A park and ride, also known as incentive parking or a commuter lot, is a parking lot with public transport connections that allows commuting, commuters and other people heading to city centres to leave their vehicles and transfer to a bus, Rail t ...

facility, and has an interchange with

Interstate 66 Interstate 66 (I-66) is an east–west Interstate Highway in the eastern United States. It runs from an interchange with I-81 near Middletown, Virginia, on its western end to an interchange with U.S. Route 29 (US 29) in Washingt ...

. From 5:30 to 9:30 a.m. weekdays,

HOV A high-occupancy vehicle lane (also known as an HOV lane, carpool lane, diamond lane, 2+ lane, and transit lane or T2 or T3 lanes) is a restricted traffic lane reserved for the exclusive use of vehicles with a driver and one or more passengers, i ...

-2 traffic is allowed to enter I-66 eastbound from Stringfellow Rd. Westbound traffic can exit onto Stringfellow Road at all other times, but the exit is restricted to HOV-2+ traffic weekdays from 3:00 to 7:00 p.m. South of the I-66 interchange, Stringfellow Road heads to an intersection with

U.S. Route 29 U.S. Route 29 (US 29) is a north–south United States highway that runs for from Pensacola, Florida to the western suburbs of Baltimore, Maryland in the Southern United States, connecting the Florida Panhandle to the Baltimore-Washington me ...

(

Lee Highway The Lee Highway was a national auto trail in the United States, connecting New York City and San Francisco, California, via the South and Southwest. After receiving a letter on January 15, 1919, from Dr. Samuel Myrtle Johnson of Roswell, New Mex ...

) at the Fairfax/ Centreville/

border. A project was completed to widen Stringfellow Road from SR 7735 (Fair Lakes Boulevard) to US 50 from two lanes to four (Stringfellow Road from Interstate 66 to US 29 was widened to four lanes in the 1990s). The rationale for this project was that VDOT saw that Stringfellow Road was a major connector between

and US 50, and was a very congested road. The project included: * Five- to six-foot-wide () sidewalk on the west side of the road * Ten-foot-wide () shared-use path on the east side * Wide curb lanes in order to accommodate bicyclists Stringfellow Road Fairfax Board Endorsement
Retrieved September 04, 2009

Clifton Road (north of Clifton)

After crossing U.S. 29, SR 645 becomes Clifton Road and has entered the

ZIP code (20124). The road remains four lanes and the speed limit remains 45 MPH. After about half a mile the road intersects with SR 620, Braddock Road. After crossing SR 620 Clifton Road reduces from four to two lanes, although the speed limit remains 45 MPH. After passing by the Twin Lakes Golf Course, the road intersects with SR 654, Popes Head Road, and enters a rather

equestrian The word equestrian is a reference to equestrianism, or horseback riding, derived from Latin ' and ', "horse". Horseback riding (or Riding in British English) Examples of this are: * Equestrian sports *Equestrian order, one of the upper classes i ...

area for about before reaching the

corporate limits. During that approach the speed limit is gradually reduced to 25 MPH before intersecting with Newman Road. The road then turns and enters the town. This portion of SR 645 has been designated a

Virginia Byway A Virginia Byway is a scenic road designated by the Commonwealth of Virginia as one that can introduce tourists to alternative destinations. According to the Virginia Department of Transportation (VDOT), there are over of scenic roads in Virginia ...

Main Street (town of Clifton only)

In the town SR 645 intersects with Chapel and Kincheloe roads before it leaves the town (one must turn left to stay on SR 645). Also in the town SR 645 crosses the

Southern Railway (US) The Southern Railway (also known as Southern Railway Company and now known as the Norfolk Southern Railway) was a class 1 railroad based in the Southern United States between 1894 and 1982, when it merged with the Norfolk & Western to form Nor ...

tracks. Infrequently SR 645 is impassable due to flooding from Pope's Head Creek.

Clifton Road (east of Clifton)

Once past the town's corporate limits, the speed limit increases to 35 MPH. It then intersects with SR 643 / SR 612 (Henderson Road) which draws heavy traffic because it leads to the only crossing between

and

Prince William County Prince William County is located on the Potomac River in the U.S. state of Virginia. As of the 2020 census, the population sits at 482,204, making it Virginia's second-most populous county. Its county seat is the independent city of Manassas ...

that is not physically located at or near

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or Manassas. Crossing into

Fairfax Station Fairfax Station is a census-designated place (CDP) in Fairfax County, Virginia, United States. The population was 12,030 at the 2010 census. Located in Northern Virginia, its center is located southwest of Washington, D.C. Geography Fairfax St ...

, Clifton Road then intersects with SR 610 (

Wolf Run Shoals Wolf Run Shoals was an important crossing point on the Occoquan River in northern Virginia between Alexandria, Virginia, Alexandria and Richmond, Virginia, Richmond during the 18th and 19th centuries. It consisted of three islands and a mill, now ...

Road). After the intersection the road heads east, and then intersects with SR 123. This portion of SR 645 has been designated a

Burke Lake Road

After crossing SR 123, SR 645 continues with two lanes, but the speed limit increases to 40 MPH. The road forms the northwestern boundary of

Burke Lake Park Burke Lake Park is a public park located in Fairfax Station, Fairfax County, Virginia, United States. It encompasses Burke Lake. The Fairfax County public park is owned by the Fairfax County Park Authority (FCPA). It was built on land that was p ...

. It then intersects with the

Fairfax County Parkway The Fairfax County Parkway, numbered State Route 286 (SR 286, formerly SR 7100), is a primary state highway in the U.S. state of Virginia, acting as an arterial route in Fairfax County with a mix of interchanges and signalized and ...

(SR 286). SR 645 continues and widens from a two lane undivided road to a four lane divided highway, although the speed limit remains 40 MPH. It intersects with SR 643 (that road is called Burke Centre Parkway to the west, and Lee Chapel Rd. to the east). SR 645 leaves

and enters

Burke Burke is an Anglo-Norman Irish surname, deriving from the ancient Anglo-Norman and Hiberno-Norman noble dynasty, the House of Burgh. In Ireland, the descendants of William de Burgh (–1206) had the surname ''de Burgh'' which was gaelicised ...

. It intersects with SR 652 (Burke Rd.) (this is a split intersection because it is near the bridge over the Southern Railway tracks) where the speed limit decreases to 35 MPH. It passes by

Lake Braddock Secondary School Lake Braddock Secondary School (LBSS) in Burke, Virginia, United States, administered by Fairfax County Public Schools (FCPS), is one of three 7-12 secondary schools in Fairfax County; the other two are Hayfield SS and Robinson SS. Lake Brad ...

and then leaves

when it intersects with SR 638 (Rolling Road), and crosses into

Springfield Springfield may refer to: * Springfield (toponym), the place name in general Places and locations Australia * Springfield, New South Wales (Central Coast) * Springfield, New South Wales (Snowy Monaro Regional Council) * Springfield, Queenslan ...

. SR 645 ends at SR 620 (Braddock Road) on the Springfield / Annandale border.

Major intersections

References

{{reflist 645 Fairfax State Route 645 State Route 645