Virginia State Route 7 (VA 7) is a major primary state highway and busy commuter route in northern Virginia, United States. It travels southeast from downtown Winchester to SR 400 (Washington Street) in downtown Alexandria. Its route largely parallels those of the Washington & Old Dominion Trail (W&OD Trail) and the Potomac River. Between its western terminus and Interstate 395 (I-395), SR 7 is part of the National Highway System. In 1968, the Virginia State Highway Commission designated the road as the "Harry Flood Byrd Highway" between Alexandria and Winchester to commemorate Harry F. Byrd Sr. (1887–1966).

SR 7 begins downtown in the independent city of Winchester, as East Piccadilly Street at an intersection with U.S. Route 11 (US 11) and US 522, and it continues through the east end of the city, along North East Lane, National Avenue, and finally Berryville Avenue. SR 7 exits the city into surrounding Frederick County, where its name changes to Berryville Pike and it becomes a four-lane highway. SR 7 continues across I-81 and then into Clarke County.

SR 7 enters Clarke County from Frederick County, crossing Opequon Creek, and continues towards the town of Berryville. Business SR 7 (SR 7 Bus.) splits off just west of Berryville and passes through the town, while the main route bypasses the town to the north. Both routes cross US 340, and SR 7 Bus. rejoins SR 7 just east of the town. SR 7 crosses the Shenandoah River and its name changes to the Harry Flood Byrd Highway. SR 7 crosses the Loudoun–Clarke county line and the Appalachian Trail at the summit of Snickers Gap in the Blue Ridge Mountains.

SR 7 descends out of the Blue Ridge Mountains and enters the rural western area of Loudoun County as Leesburg Pike at Snickers Gap. It intersects the northern end of the Snickersville Turnpike, and then it passes just north of the village of Bluemont (formerly Snickersville). Next SR 7 curves just south of Jefferson County, West Virginia.

SR 7 becomes a divided, limited-access highway with a speed limit of 55 mph (89 km/h) just west of the town of Round Hill, where another SR 7 Bus. splits off to serve the towns of Round Hill, Purcellville, and Hamilton, while the main road runs outside of the towns as a bypass. SR 7 Bus. rejoins the main road at the interchange with SR 9 in Paeonian Springs.

SR 7 continues towards the well-developed eastern half of Loudoun County as a four-lane divided highway with some at-grade intersections, and it passes through Clarke's Gap in Catoctin Mountain. Another SR 7 Bus. splits off on the western side of the town of Leesburg, the county seat of Loudoun County. The main road continues as the Leesburg Bypass, and merges with the bypass of US 15 around the southern side of Leesburg, while the business route passes through town as Market Street. SR 7 Business intersects with US 15 Business (King Street) by the county courthouse in the center of Leesburg.

The Virginia Department of Transportation (VDOT) has plans to widen the section of SR 7 between SR 9 and East Market Street. However, due to highway budget restrictions, this project was put on hold in June 2008. In December 2014, construction began on the widening of this section of SR 7. In addition to widening Westbound SR 7 from two to three lanes, the median was modified to limit left turns into and out of Roxbury Hall Road, Leeland Orchard Road, White Gate Place, and Beechnut Place. In addition to the work on SR 7, roundabouts were installed at the interchange between SR 7 and SR 9. The southern roundabout combined the separate intersections of the on and off ramps from SR 7 and Colonial Highway/Dry Mill Road into one.

The SR 7 bypass crosses the Washington & Old Dominion Trail just before the US 15 bypass splits off from SR 7 in eastern Leesburg, and then SR 7 Bus. rejoins the main highway near the same location. SR 7 continues on through the eastern half of Leesburg, with six lanes. It then crosses Goose Creek and passes through Ashburn.

SR 7 was rebuilt as a controlled-access highway through eastern Loudoun County. To accomplish this, highway interchanges were constructed replacing the ordinary intersections at Belmont Ridge Road, Claiborne Parkway, Ashburn Village Boulevard, and Loudoun County Parkway while closing the intersection at Lexington Drive. A new overpass was constructed to carry Sycolin Road across SR 7 in Leesburg, which opened to traffic on August 11, 2014. An additional interchange was also opened at Battlefield Parkway in Leesburg on June 28, 2021.

SR 7 continues as a controlled-access freeway and passes by numerous housing subdivisions, businesses, and shopping areas between an interchange with SR 28 and the Fairfax County line in Sterling.

SR 7 is named Leesburg Pike all the way across Fairfax County, where it is mainly a suburban route. It enters Fairfax County at the intersection with Dranesville Road (SR 228), approximately half a mile west of the interchange with the Fairfax County Parkway (SR 286) and Algonkian Parkway. It continues through Fairfax County, passing by subdivisions in unincorporated Great Falls, Vienna, and Reston. It passes through Tysons, where it has interchanges with SR 267 (the Dulles Access and Toll Roads) and SR 123 before passing south of the Tysons Corner Center shopping mall. It then intersects the Capital Beltway (I-495) in McLean and intersects I-66 a half mile (0.8 km) west of the West Falls Church Metro station.

SR 7 then enters the independent city of Falls Church and becomes Broad Street and marks the north/south division for city streets. The road intersects US 29 in the city's center and crosses the W&OD Trail in the city's west end. SR 7 then re-enters Fairfax County as Leesburg Pike and passes through Seven Corners, named for the five roads that intersect, including SR 338 (Hillwood Avenue) and US 50 (Arlington Boulevard), which is grade separated from the rest of the intersection. From there, it travels to Bailey's Crossroads, where it intersects SR 244 (Columbia Pike).

SR 7 enters the City of Alexandria from Fairfax County and briefly forms the border between the Alexandria and Arlington County, and then intersects I-395. It continues as King Street through Alexandria, passing by Alexandria City High School, George Washington Masonic National Memorial, Union Station (Amtrak and Virginia Railway Express), and the King Street–Old Town Metro station. SR 7 ends at the intersection of King Street and SR 400 (Washington Street) in Old Town Alexandria, one quarter of a mile (0.4 km) west of the Potomac River.

On August 19, 2019, a third left-turn lane was added from SR 7 west to Baron Cameron Avenue. This was in place of constructing a partial interchange at the intersection, for which SR 7 east lanes would travel under Baron Cameron Avenue; the project was never started, as VDOT failed to allocate sufficient funding for the project and lack of competition led to higher than forecasted bids for the Route 7 widening.

VDOT is working on widening SR 7 from four to six lanes and adding shared-use paths along SR 7 between Reston Avenue and Jarrett Valley Drive in Fairfax County. The project is expected to cost $313.9 million and should be completed by mid-2024.

The Loudoun County Board of Supervisors voted to rename the section of SR 7 within Loudoun County from Harry Byrd Highway to Leesburg Pike on December 7, 2021. This is in an effort to restore historical names and remove segregationist and Confederate symbols throughout the county.

County	Location	mi	km	Destinations	Notes
City of Winchester		0.00	0.00	US 11 / US 522 (Cameron Street) to US 50	Western terminus; road continues as Piccadilly Street
Frederick	​	1.5	2.4	I-81 – Martinsburg, Roanoke, Virginia Inland Port	I-81 exit 315
Clarke	​	8.8	14.2	SR 7 Bus. east (West Main Street) – Berryville
	​	10.4	16.7	US 340 – Berryville, Charles Town	Interchange
	​	12	19	SR 7 Bus. west (East Main Street) – Berryville
	Webbtown	13	21	SR 608 (Wickliffe Road) – Wickliffe	Former SR 282 north
Blue Ridge		18.6	29.9	Snickers Gap
Loudoun	​	19.1	30.7	SR 734 (Snickersville Pike)
	​	19.5	31.4	SR 760 (Clayton Hall Road) to SR 734 – Bluemont, Philomont	Truck access to SR 734; former SR 234 south
	​	22.5	36.2	SR 7 Bus. east (West Loudoun Street) – Round Hill
	​	23.7	38.1	SR 7 Bus. – Round Hill, Purcellville	Interchange
	Purcellville	27.6	44.4	SR 287 to SR 7 Bus. – Purcellville, Lovettsville	Interchange
	Hamilton Station	29.7	47.8	SR 704 – Hamilton	Interchange
	Clarks Gap	32	51	SR 9 / SR 7 Bus. east – Hillsboro, Charles Town, WV, Purcellville	Interchange
	​	34.2	55.0	SR 7 Bus. east – Leesburg	Interchange
	Leesburg	36	58	US 15 south / US 15 Bus. north – Leesburg, Warrenton	Interchange; west end of concurrency with US 15
		36.8	59.2	SR 267 Toll east – Dulles Airport, Washington	SR 267 exit 1; western terminus of SR 267
		37.8	60.8	US 15 north / SR 7 Bus. west / Fort Evans Road – Frederick, MD, Leesburg	Interchange; east end of concurrency with US 15
		38.6	62.1	Battlefield Parkway – Leesburg Airport	Interchange
		39.5	63.6	River Creek Parkway / Crosstrail Boulevard	Interchange
	Belmont–Lansdowne line	40.7	65.5	SR 659 (Belmont Ridge Road)	Interchange
	Ashburn Junction	41.8	67.3	SR 901 south (Claiborne Parkway) / SR 2400 north (Lansdowne Boulevard) – Lansdowne, Ashburn	Interchange
	Ashburn–Lansdowne line	42.6	68.6	SR 2020 (Ashburn Village Boulevard) – Shenandoah University	Interchange
	Ashburn–University Center line	43.8	70.5	SR 607 (Loudoun County Parkway)	Interchange
	Dulles Town Center	45.1	72.6	SR 28 south – Dulles Airport, Centreville	Interchange; northern terminus of SR 28
	Dulles Town Center–Countryside line	45.6	73.4	SR 1582 (Algonkian Parkway / Atlantic Boulevard) – Dulles Town Center	Interchange
	Dulles Town Center–Cascades line	47	76	SR 1794 (Cascades Parkway) – Cascades, Sterling	Interchange
	Sterling–Sugarland Run line	48.1	77.4	SR 846 (Cardinal Glen Circle / Sterling Boulevard) – Sterling Park
Fairfax	Herndon Junction	49	79	SR 228 south (Dranesville Road)
	Dranesville	49.4	79.5	SR 286 south (Fairfax County Parkway) / SR 6220 north (Algonkian Parkway)	Interchange; northern terminus of SR 286; southern terminus of SR 6220
		50.7	81.6	SR 193 east (Georgetown Pike) / SR 602 north – Great Falls, Langley	West end of concurrency with SR 602; western terminus of SR 193
	Reston	51.3	82.6	SR 602 south (Reston Parkway)	East end of concurrency with SR 602
	Browns Chapel	52.9	85.1	SR 606 west (Baron Cameron Avenue) / SR 674 (Springvale Road) – Herndon, Reston
	Tysons	57.8	93.0	SR 267 Toll – Washington, Dulles Airport (via Dulles Access Road)	SR 267 exit 16
		59.1	95.1	SR 123 to I-495 – McLean, Vienna	Interchange
		59.5	95.8	SR 684 to I-495 Express north / International Drive / Gallows Road
		59.7	96.1	Fashion Boulevard – Tysons Corner Center
		60.1	96.7	I-495 (Capital Beltway) / I-495 Express south – Rockville, Baltimore, Richmond, Alexandria	I-495 exit 47
	Idylwood	61.4	98.8	I-66 – Washington, Front Royal, West Falls Church	I-66 exit 66
City of Falls Church		63.3	101.9	US 29 (Washington Street) / SR 237
Fairfax	Seven Corners	64.2	103.3	SR 338 west (Hillwood Avenue) to US 29	Westbound exit and eastbound entrance
		64.4	103.6	US 50 (Arlington Boulevard) / SR 613 (Wilson Boulevard / Sleepy Hollow Road) – Washington, Arlington, Clarendon, Fairfax	Interchange
	Bailey's Crossroads	66.4	106.9	SR 244 (Columbia Pike) – Arlington, Annandale	Interchange
City of Alexandria		68.5	110.2	I-395 – Richmond, Washington	I-395 exit 5
		69.3	111.5	SR 402 (North Quaker Lane)
		70.5	113.5	SR 420 (Janney's Lane)
		71.8	115.6	US 1 south (Henry Street)	One-way pair
		71.9	115.7	US 1 north (Patrick Street)
		72.7	117.0	SR 400 (Washington Street) / George Washington Parkway	Eastern terminus; no left turn in any direction; continues east as King Street
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Incomplete access

State Route 7 Business
Location	Berryville
Length	3.05 mi (4.91 km)

State Route 7 Business (SR 7 Bus.) is a business route in the U.S. state of Virginia. It follows Main Street through downtown Berryville.

State Route 7 Business
Location	Purcellville
Length	9.28 mi (14.93 km)
Existed	1980–present
Tourist routes	Virginia Byway

State Route 7 Business (SR 7 Bus.) is a business route in the U.S. state of Virginia. It runs 9.28 miles (14.93 km) from SR 7 just west of Round Hill to SR 9 just west of Leesburg, where the roadway continues east and south as SR 699. The route provides access from the main route, SR 7, to Purcellville. The route has multiple names along its length including Loudoun Street, Main Street, and Colonial Highway. The route was formed in two segments. The first one was formed in 1980, and the second one was formed in 1987.

The route's western end is at its parent route, SR 7. It then intersects New Cut Road and Main Street, both part of SR 719. It meets SR 7 once again at a diamond interchange. After that, the route meets State Route 287 (SR 287) at a roundabout. The route's eastern end is at State Route 9 (SR 9) (Charles Town Pike), where it goes east and south as SR 699 (Dry Mill Rd.).

The first segment of the route was commissioned in 1980 between SR 287 and SR 9. The second segment of the route was commissioned in 1987 between SR 287 and SR 7. These segments were both designated along the former alignment of its parent route, SR 7.

State Route 7 Business
Location	Leesburg
Length	2.39 mi (3.85 km)
Tourist routes	Virginia Byway

State Route 7 Business (SR 7 Bus.) is a business route in the U.S. state of Virginia. It follows Market Street through downtown Leesburg. In downtown Leesburg, SR 7 Bus. intersects with US 15 Bus.

• SR 7 at The Virginia Highways Project

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