It serves as an arterial road through the neighborhood of Virginia Run for its southernmost few miles.

The road continues north, passing Pleasant Valley Golf Club[2] (named for the road) and going through another large residential development (called Cub Run after a nearby stream).

The Virginia Department of Transportation has chosen to number that spur SR 609 (Loudoun County).

Thus, the driver on US 50 driving into Loudoun first comes across SR 609 (Fairfax County) (Pleasant Valley Rd.

In 1862, Confederate soldiers camped there as they were marching toward the site of the Battle of Chantilly.