State Route 608 in Fairfax County, Virginia is a secondary state highway which traverses the western portion of the county. Before the Fairfax County Parkway from US 29 to Reston was complete, SR 608 was the main north–south road in western Fairfax County.

The Fairfax County Parkway, numbered State Route 286, 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 unsignalized intersections. Its alignment runs from southeast to northwest and roughly corresponds to part of the once-proposed Outer Beltway around Washington, D.C. The first segment of the roadway opened in 1987; the road was completed in 2010.