Virginia State Route 644 (Fairfax County)

State Route 644
Old Keene Mill Road Franconia Road
Route information
Maintained by VDOT
Length	11.81 mi (19.01 km)
Major junctions
West end	SR 286 in Burke
Major intersections	SR 643 in Burke SR 640 in Burke SR 638 in West Springfield SR 781 in Springfield I-95 in Springfield SR 635 in Franconia SR 613 in Franconia
East end	SR 611 in Rose Hill
Location
Country	United States
State	Virginia
Highway system
Virginia Routes Interstate US Primary Secondary Byways History HOT lanes

State Route 644 (SR 644) in Fairfax County, Virginia, United States, is an 11.81-mile (19.01 km) secondary state highway officially named Old Keene Mill Road west of Interstate 95 and Franconia Road to the east. While only a secondary state highway, it serves as a major thoroughfare through southern Fairfax County, acting as the main street through Springfield and Franconia, as well as serving Burke, West Springfield, and Rose Hill and connecting them towards Alexandria and Huntington near the Potomac River.