Wikipedia:WikiProject U.S. Roads/Virginia/Secondary routes

Some secondary routes are notable, but most are not. This is an attempt at objectively listing ones that can have reasonable articles.

Fairfax County

The 2007 comprehensive plan shows the following:

Freeways/expressways

Interstate 495
State Route 267
State Route 7100, Braddock Road to US 50
State Route 7900
George Washington Memorial Parkway, north of Arlington
Interstate 66
Interstate 95 and Interstate 395
State Route 28, north of US 29

Principal arterials

U.S. Route 50, east of Fairfax
State Route 28, south of US 29
State Route 123, Fairfax to I-495
State Route 123, east of George Washington Parkway
State Route 244
State Route 123, I-495 to George Washington Parkway
State Route 7100, north of US 50
State Route 7100, south of Braddock Road
U.S. Route 29, east of Fairfax
U.S. Route 29, west of Fairfax
U.S. Route 50, west of Fairfax
State Route 7, west of Falls Church
State Route 7, east of Falls Church
State Route 236
State Route 123, south of Fairfax
U.S. Route 1
Manassas National Battlefield Bypass
Tri-County Parkway

Minor arterials (Type A)

State Route 606 (Baron Cameron Avenue), Herndon to SR 7
State Route 613 (Beulah Street), Franconia Road to Telegraph Road
State Route 655 (Blake Lane), Jermantown Road to Fairfax
State Route 620 (Braddock Road), Backlick Road to SR 28
State Route 645 (Burke Lake Road), SR 7100 to Braddock Road
State Route 657 (Centreville Road), Herndon to US 50
State Route 644 (Franconia Road), Backlick Road to Telegraph Road
State Route 950, State Route 677, and State Route 650 (Gallows Road), SR 7 to I-495
George Washington Memorial Parkway, SR 235 to Alexandria
State Route 6220 (Holly Knoll Drive), SR 7 to Loudoun County
State Route 950 and State Route 6034 (International Drive), SR 7 to Spring Hill Road
State Route 10421 (Kingstowne Boulevard), Kingstowne Village Parkway to South Van Dorn Street
State Route 602 (Lawyers Road), Fox Mill Road to West Ox Road
State Route 642 (Lorton Road), US 1 to SR 123
State Route 8113 (Manchester Boulevard), Beulah Street to Kingstowne Village Parkway
State Route 668 and State Route 673 (McLearen Road), SR 28 to Reston Parkway
State Route 7783 and State Route 8350 (New Braddock Road), Union Mill Road to US 29
State Route 644 (Old Keene Mill Road), Backlick Road to SR 7100
State Route 662 (Poplar Tree Road), Sully Station Drive/Sequoia Farms Drive to Braddock Road
State Route 602 (Reston Parkway), SR 7 to Lawyers Road
State Route 655 (Shirley Gate Road), US 29 to SR 7100
State Route 613 (South Van Dorn Street), Alexandria to Telegraph Road
State Route 662 (Stone Road), US 29 to Braddock Road
State Route 241 and State Route 611 (Telegraph Road), Alexandria to US 1
State Route 657 (Walney Road), US 50 to Westfields Boulevard
State Route 665 (Waples Mill Road), US 50 to US 29
State Route 608 (West Ox Road), US 29 to Lawyers Road
State Route 662 (Westfields Boulevard), Walney Road to Sully Station Drive/Sequoia Farms Drive
State Route 619 (Old Mill Road), Telegraph Road to US 1

National Highway System

According to the Federal Highway Administration maps of the National Highway System, several Virginia state secondary routes are part of the National Highway System:

Virginia State Route 613 (Fairfax County): Principal arterial along Sleepy Hollow Road from about Kennedy Lane north to SR 7 (Leesburg Pike) at Seven Corners. Main system along Wilson Boulevard in Arlington County (not marked as SR 613, but covered in the SR 613 article; maintained by Arlington County) from Seven Corners to Arlington Ridge Road in Rosslyn.
Virginia State Route 644 (Fairfax County): Intermodal connector along Old Keene Mill Road from SR 286 (Fairfax County Parkway) to Rolling Valley Park and Ride near Shiplett Road in Burke.
Virginia State Route 784 (Prince William County): Intermodal connector along Dale Boulevard from the Dale City Park and Ride near Minnieville Road in Dale City to I-95.
Virginia State Route 619 (Prince William County): Main system along Joplin Road from the northern end of Marine Corps Base Quantico southeast to I-95 at Triangle.
Virginia State Route 650 (Fairfax County): Intermodal connector along Gallows Road from US 29 in Merrifield north to Dunn Loring Station.
Virginia State Route 703 (Fairfax County): Intermodal connector along Haycock Road from SR 7 in Falls Church to West Falls Church Station.
Virginia State Route 610 (Stafford County): Intermodal connector along Garrisonville Road from the Garrisonville Park and Ride to I-95 at Aquia Harbor.
Virginia State Route 649 (Albemarle County): Intermodal connector along Airport Road from Charlottesville–Albemarle Airport east to US 29 near Charlottesville.
Virginia State Route 631 (Albemarle County) and 5th Street S.W. in the city of Charlottesville: Intermodal connector from I-64 to the Greyhound Lines bus station at US 250 Bus. in Charlottesville.
Laburnum Avenue in the city of Richmond and Henrico County (maintained by city of Richmond and Henrico County): Main system from SR 895 near Varina north to I-195 in Richmond. This includes part of SR 197 in Richmond.
Parham Road in Henrico County (maintained by Henrico County): Main system from the northern end of SR 150 east to I-95. The portion between US 1 and I-95 is SR 73, which is state maintained.
Virginia State Route 653 (Chesterfield County): Principal arterial along Courthouse Road from US 360 north to US 60 and SR 147 in Midlothian.
Delphine Avenue in the city of Waynesboro (maintained by city of Waynesboro): Principal arterial from I-64 to US 250 and US 340.
Virginia State Route 641 (York County): Main system from SR 199 near Williamsburg north to Colonial Parkway and Cheatham Annex.
Hampton Roads Center Parkway (maintained by cities of Newport News and Hampton): Main system from US 60 in Newport News (including portion of Harpersville Road not part of SR 306) east to Armistead Avenue in Hampton.
Armistead Avenue (maintained by city of Hampton): Main system from Hampton Roads Center Parkway south to US 258 in Hampton; Armistead Avenue continues south as SR 134.
LaSalle Avenue (maintained by city of Hampton): Main system from I-64 north to Langley Air Force Base.
Dam Neck Road (maintained by city of Virginia Beach): Principal arterial from SR 165 east to Training Support Center Hampton Roads (Dam Neck) in Virginia Beach.
London Bridge Road (maintained by city of Virginia Beach): Main system from London Bridge Road near Dam Neck Road at Oceana Naval Air Station north to US 58 and SR 279 in Virginia Beach.
Oceana Boulevard (maintained by city of Virginia Beach): Main system from Tomcat Boulevard at Oceana Naval Air Station north to I-264 in Virginia Beach.

There may be other secondary state routes that are part of the National Highway System but do not show up on the FHWA maps.