Virginia State Route 243 is a state highway located in Virginia, USA. It runs primarily through Fairfax County, connecting the communities of Mason Neck and Lorton. The route is approximately 3.5 miles long and serves as a vital link for local traffic. The highway is known for its scenic views, particularly as it passes near Pohick Bay Regional Park. It provides access to various residential areas and commercial establishments, making it an important roadway for residents and visitors alike. Route 243 is maintained by the Virginia Department of Transportation.